Download or read book Superman (2006-) #712 written by Chris Roberson and published by DC Comics. This book was released on 2011-09-14 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: In a very special flashback tale, follow Krypto the Super-Dog as he goes looking for his masters following the death of Superboy post-INFINITE CRISIS. 'Grounded' part 10.