The 39 Clues

1.
The Maze of Bones (The 39 Clues, #1)
The Maze of Bones (The 39 Clues, #1) 3.87 avg rating — 87,540 ratings
2.
Into the Gauntlet (The 39 Clues, #10)
Into the Gauntlet (The 39 Clues, #10) 3.98 avg rating — 61,766 ratings
3.
One False Note (The 39 Clues, #2)
One False Note (The 39 Clues, #2) 3.90 avg rating — 54,729 ratings
4.
The Sword Thief (The 39 Clues, #3)
The Sword Thief (The 39 Clues, #3) 3.90 avg rating — 51,681 ratings
5.
The Black Circle (The 39 Clues, #5)
The Black Circle (The 39 Clues, #5) 4.01 avg rating — 52,710 ratings
6.
The Dead of Night (The 39 Clues: Cahills vs. Vespers, #3)
The Dead of Night (The 39 Clues: Cahills vs. Vespers, #3) 4.16 avg rating — 19,050 ratings
7.
Beyond the Grave (The 39 Clues, #4)
Beyond the Grave (The 39 Clues, #4) 3.93 avg rating — 47,977 ratings
8.
Storm Warning (The 39 Clues #9)
Storm Warning (The 39 Clues #9) 4.01 avg rating — 47,698 ratings
9.
The Emperor's Code (The 39 Clues, #8)
The Emperor's Code (The 39 Clues, #8) 4.05 avg rating — 44,301 ratings
10.
The Medusa Plot (39 Clues: Cahills vs. Vespers, #1)
The Medusa Plot (39 Clues: Cahills vs. Vespers, #1) 4.09 avg rating — 30,353 ratings
11.
A King's Ransom (The 39 Clues: Cahills vs. Vespers, #2)
A King's Ransom (The 39 Clues: Cahills vs. Vespers, #2) 4.15 avg rating — 22,042 ratings
12.
In Too Deep (The 39 Clues, #6)
In Too Deep (The 39 Clues, #6) 4.03 avg rating — 45,248 ratings
13.
Vespers Rising (The 39 Clues, #11)
Vespers Rising (The 39 Clues, #11) 4.12 avg rating — 35,637 ratings
14.
The Viper's Nest (The 39 Clues, #7)
The Viper's Nest (The 39 Clues, #7) 3.98 avg rating — 45,920 ratings
15.
The Black Book of Buried Secrets
The Black Book of Buried Secrets 4.12 avg rating — 10,257 ratings
16.
Shatterproof (The 39 Clues: Cahills vs. Vespers, #4)
Shatterproof (The 39 Clues: Cahills vs. Vespers, #4) 4.17 avg rating — 22,260 ratings
17.
Nowhere to Run (The 39 Clues: Unstoppable, #1)
Nowhere to Run (The 39 Clues: Unstoppable, #1) 4.23 avg rating — 8,140 ratings
18.
Operation Trinity (The 39 Clues: The Cahill Files, #1)
Operation Trinity (The 39 Clues: The Cahill Files, #1) 4.12 avg rating — 5,002 ratings
19.
Day of Doom (The 39 Clues: Cahills vs. Vespers, #6)
Day of Doom (The 39 Clues: Cahills vs. Vespers, #6) 4.12 avg rating — 15,847 ratings
20.
Invasion (The 39 Clues: Rapid Fire, #6)
Invasion (The 39 Clues: Rapid Fire, #6) 4.16 avg rating — 1,759 ratings
20.
Fireworks (The 39 Clues: Rapid Fire, #7)
Fireworks (The 39 Clues: Rapid Fire, #7) 4.16 avg rating — 1,558 ratings
22.
Legacy (The 39 Clues: Rapid Fire, #1)
Legacy (The 39 Clues: Rapid Fire, #1) 4.10 avg rating — 4,697 ratings
22.
Ignition (The 39 Clues: Rapid Fire, #2)
Ignition (The 39 Clues: Rapid Fire, #2) 4.11 avg rating — 1,768 ratings
24.
Hunted (The 39 Clues: Rapid Fire, #3)
Hunted (The 39 Clues: Rapid Fire, #3) 4.08 avg rating — 1,686 ratings
25.
Crushed (The 39 Clues: Rapid Fire, #4)
Crushed (The 39 Clues: Rapid Fire, #4) 4.18 avg rating — 2,834 ratings
26.
Turbulence (The 39 Clues: Rapid Fire, #5)
Turbulence (The 39 Clues: Rapid Fire, #5) 4.22 avg rating — 3,245 ratings
27.
Flashpoint (The 39 Clues: Unstoppable, #4)
Flashpoint (The 39 Clues: Unstoppable, #4) 4.29 avg rating — 5,971 ratings
28.
Mission Titanic (The 39 Clues: Doublecross, #1)
Mission Titanic (The 39 Clues: Doublecross, #1) 4.23 avg rating — 4,165 ratings
29.
Mission Hindenburg (The 39 Clues: Doublecross, #2)
Mission Hindenburg (The 39 Clues: Doublecross, #2) 4.28 avg rating — 4,047 ratings
30.
Countdown (The 39 Clues: Unstoppable, #3)
Countdown (The 39 Clues: Unstoppable, #3) 4.22 avg rating — 6,508 ratings
31.
Trust No One (The 39 Clues: Cahills vs. Vespers, #5)
Trust No One (The 39 Clues: Cahills vs. Vespers, #5) 4.20 avg rating — 15,180 ratings
32.
Silent Night (The 39 Clues: The Cahill Files, #5)
Silent Night (The 39 Clues: The Cahill Files, #5) 4.29 avg rating — 1,101 ratings
33.
Breakaway (The 39 Clues: Unstoppable, #2)
Breakaway (The 39 Clues: Unstoppable, #2) 4.22 avg rating — 7,856 ratings
34.
Mission Atomic (The 39 Clues: Doublecross, #4)
Mission Atomic (The 39 Clues: Doublecross, #4) 4.26 avg rating — 2,297 ratings
35.
Mission Hurricane (The 39 Clues: Doublecross, #3)
Mission Hurricane (The 39 Clues: Doublecross, #3) 4.23 avg rating — 2,820 ratings
36.
The 39 Clues: Agent Handbook
The 39 Clues: Agent Handbook 4.13 avg rating — 8,671 ratings
37.
The Houdini Escape (The 39 Clues: The Cahill Files, #4)
The Houdini Escape (The 39 Clues: The Cahill Files, #4) 4.27 avg rating — 1,263 ratings
38.
The Redcoat Chase (The 39 Clues: The Cahill Files, #3)
The Redcoat Chase (The 39 Clues: The Cahill Files, #3) 4.24 avg rating — 1,259 ratings
39.
The Submarine Job (The 39 Clues: The Cahill Files, #2)
The Submarine Job (The 39 Clues: The Cahill Files, #2) 4.20 avg rating — 1,054 ratings