I got this book when I was about 6 or 7 years old, kids that age typically are fascinated by dinosaurs and I was no exception.A very informative volume that also included color slides of the book's illustrations, AND as the coolest part of all, a 7" record that guided you through the book, narrated with great wit and intelligence by no less than Walter Cronkite (with Stravnsky's "Rite of Spring" as the background music), it just didn't get much cooler than this.