Entertain and challenge your brain with this bonanza of puzzles. Thirty mind-boggling mazes, created by a master maze designer, include labyrinths involving 3-D constructions, directional arrows, over-and-under structures, as well as key mazes, surface mazes, designated stops, and much more. The mazes presented in this book are with straight and curvy corners and in tougher ones with paths crossing above and below each other to make things more interesting and appropriate for adults and teens who love hard puzzles.