Thirty entertaining, challenging mazes, involving 3-D constructions, directional arrows, designated stops, and more, are categorized by difficulty into five levels — from "No Brainers" that take about 5 to 10 minutes to solve to "Full Brain Overload," mazes that might take hours to find a solution. But there IS a "hints section." Dover Original.
Here's a sample of other books in this Dover category
Dazzling Mazes: 50 Inventive Puzzles with Solutions by Ulrich Koch Famous German artist and designer offers a fabulous collection of convoluted constructions designed to dazzle the most practiced puzzlist. Includes op art effects, Escher-like illusions, more.
Mind-Boggling Mazes by Dave Phillips Forty original mazes that pop, jump, recede, advance, and shimmer employing exciting visual illusions and 3-D effects. Great variety includes 3-D mazes, eccentric circles, wavering squares, 2-page fortress maze, etc.
The World’s Most Difficult Maze by Dave Phillips Fiendishly difficult 28-page labyrinth devised by a master of the art. Countless twists, turns, and deceptions but no dead ends and the shortest possible solution is included. Hours of enthralling amusement for all ages.
Not-Your-Average Superhero Mazes by Peter Donahue Meet a legion of wonderfully wacky not-so-super heroes in 30 offbeat mazes — the Chrome Dome, who blinds villains with the flash of his head; powerful paperfolder Laurie Gami; The Balloon Goon; and others.