this is a book ---------[to/about]stamp,怎么写

this is a book ---------[to/about]stamp,怎么写 this book is about how to have a balance diet this is -------------- stamp.its ---------american stamp.A.a This book is ______(main) about how to protect yourself. This book is about （eat/animals/to play） book,animals,this ,about ,is ,tails,a(?)怎么连词组句? This book is about me. book about is a panda this连词成句 This a book is good 怎么改错 This is a book 英语填空this is a stamp.it's__you This is a book about Shanghai.（对划线部分提问）划线部分：about Shanghai