A picture book set that allows you to enjoy learning about the process of evolution. ① Title: Labyrinth of Evolution - Author: Daitaro Kagawa ② Series Name: Labyrinth of Time - Colors: Blue, Red, Green - Genre: Picture Book / Children's Book ③ The Great Labyrinth: Nightmare Labyrinth ④ The Great Labyrinth: Treasure of the Dinosaur Kingdom Set of 4 books Used, with some signs of wear. Stains and tears are shown in the photos. The outer cover is missing for all books except Labyrinth of Evolution. Thank you for your understanding. Thank you for looking.