The hardcover has some wear to the corners/edges and discoloring on the back cover. The binding is tight. The previous owner's name is on the inside cover. Some pages have some foxing or light writing and underlining in pencil. 📚 Check out my shop for more An I Can Read and vintage science books! Synopsis | ...A particularly intriguing feature of the book is that it has an open end. After Jerry and Bill have asked the advice of a zoo keeper about proper diet, he suggests different menus for each turtle which may have differing effects on their growth. The book ends with a letter from the boys saying that no results have shown up yet. Selsam and Lobel have teamed for the top notch Greg's Microscope and Terry and the Caterpillars and they've done it again. A Science I Can Read Book or, how to make experimental turtle keepers while initiating new readers. —From Kirkus Reviews, March 10, 1965 b-436