Dark Horse Comics and Mattel announced the upcoming release of The Art of He-Man and the Masters of the Universe, on April 1, 2015.
Made with input from Mattel and He-Man historians, the book will collect over 30 years of behind-the-scenes material, lore and imagery covering the toys, the TV show, the movie and more.  The collected material will include concept sketches, prototypes, and more from Mattel’s archives, as well as restored art from illustrator Earl Norem.
The 184-page, 9"x 12" hardcover has an MSRP of $39.99.