books that started as fanfiction

1.
The Love Hypothesis
The Love Hypothesis 4.11 avg rating — 1,700,477 ratings
2.
City of Bones (The Mortal Instruments, #1)
City of Bones (The Mortal Instruments, #1) 4.07 avg rating — 2,128,738 ratings
3.
You, Again
You, Again 3.56 avg rating — 56,718 ratings
4.
After (After, #1)
After (After, #1)
by: Anna Todd
3.72 avg rating — 364,991 ratings
4.
Fifty Shades of Grey (Fifty Shades, #1)
Fifty Shades of Grey (Fifty Shades, #1) 3.67 avg rating — 2,809,020 ratings
6.
Eleanor & Park
Eleanor & Park 3.93 avg rating — 1,240,332 ratings
7.
Fangirl
Fangirl 3.94 avg rating — 772,443 ratings
8.
Both Sides Now
Both Sides Now 3.30 avg rating — 1,253 ratings
9.
Carry On (Simon Snow, #1)
Carry On (Simon Snow, #1) 4.16 avg rating — 329,708 ratings
10.
My Roommate Is a Vampire (My Vampires, #1)
My Roommate Is a Vampire (My Vampires, #1) 3.46 avg rating — 97,677 ratings
10.
Deliver Me
Deliver Me 4.17 avg rating — 130 ratings
10.
Shifting Gears
Shifting Gears 4.30 avg rating — 2,132 ratings
13.
Loathe to Love You (The STEMinist Novellas, #1-3)
Loathe to Love You (The STEMinist Novellas, #1-3) 3.84 avg rating — 78,292 ratings
14.
Soul Searching
Soul Searching 4.12 avg rating — 69 ratings
15.
For Love and Bylines
For Love and Bylines 2.89 avg rating — 221 ratings
16.
We'd Know by Then
We'd Know by Then 3.53 avg rating — 431 ratings
17.
Like Real People Do (Breakaway, #1)
Like Real People Do (Breakaway, #1) 4.29 avg rating — 6,835 ratings
18.
The Borrow a Boyfriend Club
The Borrow a Boyfriend Club 4.10 avg rating — 2,550 ratings
19.
The Hurricane Wars (The Hurricane Wars, #1)
The Hurricane Wars (The Hurricane Wars, #1) 3.68 avg rating — 41,933 ratings
20.
Rose in Chains (The Evermore Trilogy, #1)
Rose in Chains (The Evermore Trilogy, #1) 4.28 avg rating — 15,902 ratings
21.
Alchemised
Alchemised
by: SenLinYu
4.63 avg rating — 564 ratings
22.
The Irresistible Urge to Fall For Your Enemy (Dearly Beloathed, #1)
The Irresistible Urge to Fall For Your Enemy (Dearly Beloathed, #1) 3.94 avg rating — 10,212 ratings