Spiral-bound signed book: The Mousetrap. First issue. Los Angeles: 1937. Softcover, 9.25 x 12. Signed on the limitations page indicating this is a limited edition of 500 copies, this being number 160, in ink and felt tip by eight Disney animators including Marc Davis, Bill Justice, Ken Andersen, and Bob Jones. This book was designed by Ward Ritchie for the staff members of the Walt Disney Studios featuring off-the-record skits and drawings made by Disney’s artists, including several nude scenes, which have been highlighted in color by one of the animators. In fine condition, with small area of cover loss to lower left, and some slight page toning. Rare Disney in-house material from animation’s Golden Age. R&R COA.