Best YA Spy/Mystery Novels

1.
I'd Tell You I Love You, But Then I'd Have to Kill You (Gallagher Girls, #1)
I'd Tell You I Love You, But Then I'd Have to Kill You (Gallagher Girls, #1) 3.84 avg rating — 192,528 ratings
2.
Heist Society (Heist Society, #1)
Heist Society (Heist Society, #1) 3.92 avg rating — 94,619 ratings
3.
Cross My Heart and Hope to Spy (Gallagher Girls, #2)
Cross My Heart and Hope to Spy (Gallagher Girls, #2) 4.14 avg rating — 93,211 ratings
4.
Only the Good Spy Young (Gallagher Girls, #4)
Only the Good Spy Young (Gallagher Girls, #4) 4.29 avg rating — 69,060 ratings
5.
Don't Judge a Girl by Her Cover (Gallagher Girls, #3)
Don't Judge a Girl by Her Cover (Gallagher Girls, #3) 4.20 avg rating — 74,131 ratings
6.
Out of Sight, Out of Time (Gallagher Girls, #5)
Out of Sight, Out of Time (Gallagher Girls, #5) 4.33 avg rating — 58,193 ratings
7.
Uncommon Criminals (Heist Society, #2)
Uncommon Criminals (Heist Society, #2) 4.13 avg rating — 44,121 ratings
8.
United We Spy (Gallagher Girls, #6)
United We Spy (Gallagher Girls, #6) 4.43 avg rating — 38,253 ratings
9.
Stormbreaker (Alex Rider #1)
Stormbreaker (Alex Rider #1) 3.98 avg rating — 107,125 ratings
10.
Perfect Scoundrels (Heist Society, #3)
Perfect Scoundrels (Heist Society, #3) 4.26 avg rating — 26,786 ratings
11.
Artemis Fowl (Artemis Fowl, #1)
Artemis Fowl (Artemis Fowl, #1) 3.86 avg rating — 558,617 ratings
12.
Point Blank (Alex Rider #2)
Point Blank (Alex Rider #2) 4.11 avg rating — 62,908 ratings
13.
Perfect Cover (The Squad, #1)
Perfect Cover (The Squad, #1) 3.82 avg rating — 8,505 ratings
14.
Double Crossed: A Spies and Thieves Story (Gallagher Girls, #5.5; Heist Society, #2.5)
Double Crossed: A Spies and Thieves Story (Gallagher Girls, #5.5; Heist Society, #2.5) 4.21 avg rating — 14,198 ratings
15.
Poison Study (Study, #1)
Poison Study (Study, #1) 4.09 avg rating — 174,067 ratings
16.
Pretty Little Liars (Pretty Little Liars, #1)
Pretty Little Liars (Pretty Little Liars, #1) 3.84 avg rating — 211,124 ratings
17.
A Spy in the House (The Agency #1)
A Spy in the House (The Agency #1)
by: Y.S. Lee
3.79 avg rating — 18,095 ratings
18.
Model Spy (The Specialists, #1)
Model Spy (The Specialists, #1) 3.85 avg rating — 8,434 ratings
19.
Skeleton Key (Alex Rider #3)
Skeleton Key (Alex Rider #3) 4.07 avg rating — 58,269 ratings
20.
Scorpia (Alex Rider #5)
Scorpia (Alex Rider #5) 4.19 avg rating — 61,050 ratings
21.
Fledgling (Jason Steed, #1)
Fledgling (Jason Steed, #1) 4.26 avg rating — 1,673 ratings
22.
Crocodile Tears (Alex Rider, #8)
Crocodile Tears (Alex Rider, #8) 4.17 avg rating — 34,952 ratings
23.
Ark Angel (Alex Rider #6)
Ark Angel (Alex Rider #6) 4.12 avg rating — 49,044 ratings
24.
The Selection (The Selection, #1)
The Selection (The Selection, #1) 4.07 avg rating — 1,716,147 ratings
25.
Also Known As (Also Known As, #1)
Also Known As (Also Known As, #1) 3.80 avg rating — 13,416 ratings
26.
The Recruit (Cherub, #1)
The Recruit (Cherub, #1) 4.23 avg rating — 38,930 ratings
27.
The Maze of Bones (The 39 Clues, #1)
The Maze of Bones (The 39 Clues, #1) 3.87 avg rating — 87,535 ratings
28.
Eagle Strike (Alex Rider, #4)
Eagle Strike (Alex Rider, #4) 4.12 avg rating — 54,994 ratings
29.
Fire (Graceling Realm, #2)
Fire (Graceling Realm, #2) 4.10 avg rating — 192,463 ratings
30.
Snakehead (Alex Rider #7)
Snakehead (Alex Rider #7) 4.15 avg rating — 48,888 ratings
31.
The Naturals (The Naturals, #1)
The Naturals (The Naturals, #1) 4.21 avg rating — 288,389 ratings
32.
Killer Spirit (The Squad, #2)
Killer Spirit (The Squad, #2) 3.99 avg rating — 5,458 ratings
33.
All Fall Down (Embassy Row, #1)
All Fall Down (Embassy Row, #1) 3.85 avg rating — 30,740 ratings
34.
The Arctic Incident (Artemis Fowl #2)
The Arctic Incident (Artemis Fowl #2) 3.96 avg rating — 158,748 ratings
35.
The Body at the Tower (The Agency, #2)
The Body at the Tower (The Agency, #2)
by: Y.S. Lee
3.99 avg rating — 9,832 ratings
36.
The Body Finder (The Body Finder, #1)
The Body Finder (The Body Finder, #1) 3.94 avg rating — 53,816 ratings
37.
The Eternity Code (Artemis Fowl, #3)
The Eternity Code (Artemis Fowl, #3) 4.05 avg rating — 139,663 ratings
38.
Trickster's Choice (Daughter of the Lioness, #1)
Trickster's Choice (Daughter of the Lioness, #1) 4.26 avg rating — 67,596 ratings
39.
Trickster's Queen (Daughter of the Lioness, #2)
Trickster's Queen (Daughter of the Lioness, #2) 4.28 avg rating — 61,240 ratings
40.
The Lost Colony (Artemis Fowl, #5)
The Lost Colony (Artemis Fowl, #5) 4.01 avg rating — 159,211 ratings
41.
Maximum Security (CHERUB, #3)
Maximum Security (CHERUB, #3) 4.26 avg rating — 26,151 ratings
42.
Perfect (Pretty Little Liars, #3)
Perfect (Pretty Little Liars, #3) 3.93 avg rating — 73,980 ratings
43.
One False Note (The 39 Clues, #2)
One False Note (The 39 Clues, #2) 3.90 avg rating — 54,725 ratings
44.
Down to the Wire (The Specialists, #2)
Down to the Wire (The Specialists, #2) 4.06 avg rating — 2,955 ratings
45.
Shadowland (The Mediator, #1)
Shadowland (The Mediator, #1) 4.04 avg rating — 70,880 ratings
46.
Unbelievable (Pretty Little Liars, #4)
Unbelievable (Pretty Little Liars, #4) 3.99 avg rating — 66,556 ratings
47.
Magic Study (Study, #2)
Magic Study (Study, #2) 4.03 avg rating — 83,240 ratings
48.
Beyond the Grave (The 39 Clues, #4)
Beyond the Grave (The 39 Clues, #4) 3.93 avg rating — 47,975 ratings
49.
Flawless (Pretty Little Liars, #2)
Flawless (Pretty Little Liars, #2) 3.88 avg rating — 87,739 ratings
50.
The Opal Deception (Artemis Fowl, #4)
The Opal Deception (Artemis Fowl, #4) 4.06 avg rating — 142,001 ratings
51.
The Time Paradox (Artemis Fowl, #6)
The Time Paradox (Artemis Fowl, #6) 4.08 avg rating — 94,391 ratings
52.
The Sword Thief (The 39 Clues, #3)
The Sword Thief (The 39 Clues, #3) 3.90 avg rating — 51,677 ratings
53.
In Too Deep (The 39 Clues, #6)
In Too Deep (The 39 Clues, #6) 4.03 avg rating — 45,245 ratings
54.
The Black Circle (The 39 Clues, #5)
The Black Circle (The 39 Clues, #5) 4.01 avg rating — 52,709 ratings
55.
The Emperor's Code (The 39 Clues, #8)
The Emperor's Code (The 39 Clues, #8) 4.05 avg rating — 44,300 ratings
56.
Wicked (Pretty Little Liars, #5)
Wicked (Pretty Little Liars, #5) 3.94 avg rating — 54,379 ratings
57.
Into the Gauntlet (The 39 Clues, #10)
Into the Gauntlet (The 39 Clues, #10) 3.98 avg rating — 61,765 ratings
58.
Terrier (Beka Cooper, #1)
Terrier (Beka Cooper, #1) 4.16 avg rating — 69,770 ratings
59.
Storm Warning (The 39 Clues, #9)
Storm Warning (The 39 Clues, #9) 4.01 avg rating — 47,699 ratings
60.
Fire Study (Study, #3)
Fire Study (Study, #3) 3.91 avg rating — 65,157 ratings
61.
The Thief (The Queen's Thief, #1)
The Thief (The Queen's Thief, #1) 3.85 avg rating — 91,893 ratings
62.
Bad Kitty (Bad Kitty, #1)
Bad Kitty (Bad Kitty, #1) 3.78 avg rating — 4,545 ratings
63.
H.I.V.E. Higher Institute of Villainous Education (H.I.V.E., #1)
H.I.V.E. Higher Institute of Villainous Education (H.I.V.E., #1) 4.07 avg rating — 15,246 ratings
64.
Scorpia Rising (Alex Rider, #9)
Scorpia Rising (Alex Rider, #9) 4.29 avg rating — 35,100 ratings
65.
StarCrossed (Thief Errant, #1)
StarCrossed (Thief Errant, #1) 3.79 avg rating — 6,746 ratings
66.
Native Tongue (The Specialists, #4)
Native Tongue (The Specialists, #4) 4.05 avg rating — 2,249 ratings
67.
The Viper's Nest (The 39 Clues, #7)
The Viper's Nest (The 39 Clues, #7) 3.98 avg rating — 45,921 ratings
68.
The Atlantis Complex (Artemis Fowl #7)
The Atlantis Complex (Artemis Fowl #7) 3.97 avg rating — 62,622 ratings
69.
The Secret of the Old Clock (Nancy Drew Mystery Stories, #1)
The Secret of the Old Clock (Nancy Drew Mystery Stories, #1) 3.98 avg rating — 82,503 ratings
70.
Mad Dogs (CHERUB, #8)
Mad Dogs (CHERUB, #8) 4.27 avg rating — 17,821 ratings
71.
Heartless (Pretty Little Liars, #7)
Heartless (Pretty Little Liars, #7) 4.02 avg rating — 44,926 ratings
72.
Killer (Pretty Little Liars, #6)
Killer (Pretty Little Liars, #6) really liked it 4.00 avg rating — 53,426 ratings
73.
Class A (CHERUB, #2)
Class A (CHERUB, #2) 4.28 avg rating — 27,273 ratings
74.
Inside Out (Insider, #1)
Inside Out (Insider, #1) 3.82 avg rating — 24,975 ratings
75.
Wanted (Pretty Little Liars, #8)
Wanted (Pretty Little Liars, #8) 4.09 avg rating — 47,440 ratings
76.
Killer Instinct (The Naturals, #2)
Killer Instinct (The Naturals, #2) 4.26 avg rating — 186,293 ratings
77.
Deadly Cool (Deadly Cool, #1)
Deadly Cool (Deadly Cool, #1) 3.86 avg rating — 5,742 ratings
78.
The General (CHERUB, #10)
The General (CHERUB, #10) 4.28 avg rating — 15,196 ratings
79.
Airman
Airman 4.15 avg rating — 20,644 ratings
80.
Arielle Immortal Quickening (Immortal Rapture, #4)
Arielle Immortal Quickening (Immortal Rapture, #4) 4.42 avg rating — 221 ratings
81.
Bloodhound (Beka Cooper, #2)
Bloodhound (Beka Cooper, #2) 4.28 avg rating — 39,816 ratings
82.
Death by Bikini (Death By Mysteries, #1)
Death by Bikini (Death By Mysteries, #1) 3.83 avg rating — 3,808 ratings
83.
Magic Steps (The Circle Opens, #1)
Magic Steps (The Circle Opens, #1) 4.05 avg rating — 24,520 ratings
83.
Divine Madness (Cherub, #5)
Divine Madness (Cherub, #5) 4.22 avg rating — 18,525 ratings
85.
Inside the Shadow City (Kiki Strike, #1)
Inside the Shadow City (Kiki Strike, #1) 4.07 avg rating — 6,322 ratings
86.
Grave Mercy (His Fair Assassin, #1)
Grave Mercy (His Fair Assassin, #1) 3.89 avg rating — 107,581 ratings
87.
The Killing (CHERUB, #4)
The Killing (CHERUB, #4) 4.15 avg rating — 21,360 ratings
88.
Death by Latte (Death By Mysteries, #2)
Death by Latte (Death By Mysteries, #2) 3.85 avg rating — 2,105 ratings
89.
The Sleepwalker (CHERUB, #9)
The Sleepwalker (CHERUB, #9) 4.15 avg rating — 15,042 ratings
90.
Unraveled
Unraveled 4.06 avg rating — 70 ratings
91.
Storm Glass (Glass, #1)
Storm Glass (Glass, #1) 3.96 avg rating — 26,618 ratings
92.
Wherever Nina Lies
Wherever Nina Lies 3.81 avg rating — 3,525 ratings
93.
Look Into My Eyes (Ruby Redfort, #1)
Look Into My Eyes (Ruby Redfort, #1) 4.23 avg rating — 8,723 ratings
94.
Confessions of a Murder Suspect (Confessions, #1)
Confessions of a Murder Suspect (Confessions, #1) 3.88 avg rating — 32,408 ratings
95.
Desires of the Dead (The Body Finder, #2)
Desires of the Dead (The Body Finder, #2) 4.06 avg rating — 23,486 ratings
96.
Vespers Rising (The 39 Clues, #11)
Vespers Rising (The 39 Clues, #11) 4.12 avg rating — 35,637 ratings
97.
Rosebush
Rosebush 3.71 avg rating — 4,121 ratings
98.
Brigands M.C. (CHERUB, #11)
Brigands M.C. (CHERUB, #11) 4.28 avg rating — 12,113 ratings
99.
Bloody Jack (Bloody Jack, #1)
Bloody Jack (Bloody Jack, #1) 4.12 avg rating — 27,481 ratings
100.
Death by Denim (Death By Mysteries, #3)
Death by Denim (Death By Mysteries, #3) 3.98 avg rating — 1,702 ratings
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