English
Spanish
French
German
Portuguese
Italian
Russian
Chinese (Simplified)
Chinese (Traditional)
Japanese
Korean
Dutch
Swedish
Persian
Arabic
Polish

Home
Discover
Articles
Sign In
Sign Up

English
Spanish
French
German
Portuguese
Italian
Russian
Chinese (Simplified)
Chinese (Traditional)
Japanese
Korean
Dutch
Swedish
Persian
Arabic
Polish

ISBN Barcode Scanner

Add books in seconds with barcode scanning.

Just scan an ISBN to instantly add it to your library. Available now on iOS and Android.

The Locked Duet

Book Series

by C. Hallman

Latest: 2025

Book 1

Lock Me Inside

Lock Me Inside

by C. Hallman

Nov 14, 2022

English

Paperback

Book 2

Lock Me Out

Lock Me Out

by C. Hallman

Aug 1, 2023

English

Kindle

Track your reading journey, discover new books, and achieve your reading goals with BookPine.

Discover

Discover

Account

Sign In
Sign Up

Support

FAQ
Feature Requests
Contact

Terms

Terms of Service
Privacy Policy
Cookie Policy
Manage Cookies

Copyright © 2026 BookPine. All rights reserved.

We use cookies to improve your experience and analyze site traffic. You can choose which cookies to accept.

Essential

Required for the website to function. Cannot be disabled.

Analytics

Help us understand how visitors interact with our website.

Marketing

Used to deliver relevant advertisements and track campaigns.