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I bought this to use in my 3s and 4 year olds preschool class. I was very disappointed. It's a book that is geared more for older children. Most of the pictures are not of individual animals camouflaged, and the text was too lengthy and involved for even my more advanced children to remain interested. I could see this being good for, maybe kindergarten and up, but it was not what I'd hoped for, when it said "preschool and older."
This is one of several books we bought from the LETS-READ-AND-FIND-OUT-SCIENCE series to use for Kindergarten homeschool. The illustrations are beautiful. The content is great. My son loves these books.