Bubble Trouble-这本书不错哟,强烈推荐!

Bubble Trouble

作者 (Author) Gabriel, Nat
等级 (MML) MM LEVEL: 2.4
年级 (IL) Lower Grades (LG K-3)
字数 (Words) 1317
类型 (Fiction) Fiction
书号 (ISBN) 9781424210855
系列 (Series) Science Solves It! (Kane Press);
Grace can make soap bubbles, milk bubbles, and even air bubbles (by burping), but cannot be a member of her big sister's bubble gum club until she acquires a certain skill.