Here are some popular reference books for Scratch 3.0, a widely-used graphical programming tool for kids:

* "Scratch 3.0少儿游戏趣味编程" (Scratch 3.0 Fun Programming for Kids)

* "我的第一本魔法编程宝典" (My First Magical Programming Treasure Book)

* "Scratch 3.0少儿编程趣味课" (Scratch 3.0 Fun Programming Lessons for Kids)

* "零基础看图学Scratch3.0少儿趣味编程" (Learn Scratch 3.0 Programming from Scratch with Pictures)

* "少儿人工智能趣味入门：Scratch 3.0动画与游戏编程一本通" (Introduction to AI for Kids: Scratch 3.0 Animation and Game Programming)

* "Scratch编程入门与算法进阶" (Scratch Programming for Beginners and Algorithmic Thinking)

* "边学边玩Scratch3.0少儿编程" (Learn and Play Scratch 3.0 Programming, imported from a US authoritative Scratch training institution)

* "我的第一套编程书全8册 scratch3.0版" (My First Programming Book Set, 8 volumes, Scratch 3.0 edition)

* "爸爸的编程游戏全3册" (Dad's Programming Game Set, 3 volumes)

These books are designed to be fun and engaging, making it easy for kids to learn programming concepts using Scratch 3.0.