Moe Headphones Design Guidebook 2013 is as the title says, a guidebook to a selection of audio headphones alongside gorgeous illustrations by Japanese illustrator Tsukigami Luna of doujin circle, Lunatic Joker.

The book contains reviews of the following headphones:

Beats Studio (beats by dr. dre)
Diamond Tears|Edge (Monster)
Vektr (DIESEL Noise Division)
VK-1 (Aedle)
MDR-1RBT (Sony)
Q701 (AKG)

On top of that are interviews with music professionals in the music and game industries. An interesting look in to the world of audio headphones. The very first product released by media publisher, Sekai Project.