Download or read book Adventure Comics (1938-) #310 written by Jack Schiff and published by DC Comics. This book was released on 1963-07-03 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: What's this? Krypto as the master and Superboy as the pet? What event led to this strange set of circumstances? Find out in "When Krypto was Superboy's Master!" Then in the Legion back-up, things turn deadly when a mysterious masked man begins killing the Legionaries one by one! Also contains pages reproduced in black and white.