Attractive flip book touting "Roger Maris' Batting Secrets." Published in 1961 by David Blumenthal Associates the 2 3/4" x 4" booklet features a photo of Maris on the front cover and a game-by-game record of his 1961 home runs on the reverse. The interior pages include a "flip movie" of Maris' left-handed swing each page also including an individual batting or baseball tip. EX/MT appearance with some very minor soiling and wear evident on the cover; interior pages appear as new.