We, Programmers (translation)

• Original author: Robert C. Martin
• Translator: Justin (Heechul) Choi
• Publisher: Gilbeot (길벗)
• Publication date: January 21, 2026
• Link: https://event.kyobobook.co.kr/funding/detail/424

Effective Software Architecture (translation)

• Original author: Oliver Goldman
• Translator: Justin (Heechul) Choi
• Publisher: Gilbeot (길벗)
• Publication date: March 28, 2025
• Link: https://product.kyobobook.co.kr/detail/S000216144754

English for Developers

• Publisher: Gilbeot (길벗)
• Publication date: February 20, 2024
• Author: Justin (Heechul) Choi
• ISBN: 9791140708581
• Link: https://product.kyobobook.co.kr/detail/S000212263991