This is a class set of 17 books. Spider webs that mimic flowers? A spider that "lassos" its prey? A web large enough to cover a garbage truck? These are just a few of the incredible "did you knows" kids will discover in the irresistible book about the fascinating and diverse ways spiders use their webs to trap prey. Grade level 1 - 4 Lexile measure 900L . Reading age ‏ : ‎ 6 - 9 years Lexile measure ‏ : ‎ 900L Grade level ‏ : ‎ 1 - 4.

Grade level 1 - 4 Lexile measure 900L .