Updates

• October 2025 — Added localized versions of the website in Spanish, Arabic, Simplified Chinese, and Polish.
• September 2025 — Launched a new site design. Created dedicated pages for each textbook.
• August 2025 — Added six science textbooks for Kindergarten through Grade 5.
• July 2025 — Added six Nursing textbooks and 12 Business textbooks.
• June 2025 — Released Simplified Chinese translations of Calculus Vol. 1 (U.S. Bachelor's Year 1) and Abstract Algebra (U.S. Bachelor's Year 3).

• Additional textbooks across subjects and grade levels
• Expanded translations in more languages
• More download formats
• A contributor portal for user accounts and translation contributions

Have feedback or ideas? Let us know at [email protected].