Virtual GS publishes multimedia books on iBookstore.
Virtual GS 在苹果 iBookstore 发布多媒体电子书。
Animal Encyclopedic Books
Animal Encyclopedic Books helps your child to learn more than 600 encyclopedic facts on animals and birds from Singapore Zoo and Jurong Bird Park.
动物百科
动物百科包含教学影片，珍贵照片和超过 600 项动物和鸟类的趣味资料！
Bits of Knowledge
Each of these books focuses on the simple bits of knowledge of a particular species of animal and bird coupled with captivating real-life pictures and videos.
动物世界
包含各种动物和鸟类的趣味资料！
Sing to Learn English
Sing to Learn English helps your child to learn more than 1,000 English words and phrases through many catchy English children rhymes.
唱歌谣 学英文
包含多首动听的英国童谣！
Sing to Learn Chinese
Sing to Learn Chinese helps your child to learn more than 1,000 Chinese words and phrases through many catchy Chinese children rhymes.
唱歌谣 学华文
包含多首动听的儿童歌曲！歌词中英对照。
Virtual GS started as a retro programming web site for the Apple IIGS computer.
The programming instructions and source codes are now being compiled into a programming book! You can download the free book from iBookstore!
Virtual GS 的 Apple IIGS 程序设计书，可在 iBookstore 下载。
Virtual GS 