Dark Horse Comics had another announcement at 2014’s San Diego Comic Con International with word of the upcoming release of The Art of He-Man and the Masters of the Universe. The massive tome “collects over 30 years of behind-the-scenes material, lore, and classic imagery” from the classic Mattel toy line.

The Art of He-Man and the Masters of the Universe is being made with the cooperation of various Mattel and He-Man historians and will include “rarely seen images of concept sketches, prototypes, and more from Mattel’s archives. Featuring beautifully restored art from master illustrator Earl Norem“”celebrated artist of the most memorable He-Man images!”

The book will be in comic stores on April 1, 2015 and other bookstores on April 14, 2015, so start saving up your money now. Take a look at the cover and some sample pages from the book below and remember, you have the power.