A to Z Challenge 2025 - hosted by shadowbooker

A book starting with the letter O
All books added
The Only One Left by Riley Sager

The Only One Left

Riley Sager

368 pages • digital • 2023

fiction horror mystery thriller dark mysterious tense medium-paced
Olive Juice by TJ Klune

Olive Juice

TJ Klune

132 pages • digital • 2017

fiction contemporary lgbtqia+ romance emotional sad slow-paced
One of Us Is Dead by Peter James

One of Us Is Dead

Roy Grace #20

Peter James

434 pages • paperback • 2024 user-added

fiction crime thriller mysterious reflective fast-paced
One Chance by Lena Hendrix

One Chance

The Sullivan Family #3

Lena Hendrix

392 pages • digital • 2023

fiction contemporary romance funny lighthearted medium-paced
One Night by Lena Hendrix

One Night

The Sullivan Family #4

Lena Hendrix

338 pages • digital • 2023

fiction contemporary romance emotional hopeful lighthearted medium-paced
One of Us Is Lying by Karen M. McManus

One of Us Is Lying

One of Us Is Lying #1

Karen M. McManus

368 pages • digital • 2017

fiction mystery thriller young adult mysterious tense medium-paced
Our Infinite Fates by Laura Steven

Our Infinite Fates

Laura Steven

346 pages • digital • 2025

fiction fantasy romance young adult emotional mysterious reflective medium-paced
On the Same Page by Haley Cass

On the Same Page

On the Same Page

Haley Cass

504 pages • digital • 2023

fiction contemporary lgbtqia+ romance emotional funny lighthearted medium-paced
Of Blood And Fire by Ryan Cahill

Of Blood And Fire

The Bound and the Broken #1

Ryan Cahill

16 hours, 23 minutes • audio • 2021

fiction fantasy adventurous emotional medium-paced
Obsession by Harleigh Beck

Obsession

Harleigh Beck

444 pages • digital • 2024

fiction romance thriller dark emotional tense medium-paced