Cover pencils by Neal Adams, inks by Dick Giordano. "The Sleepwalker from the Sea!", script by Bob Haney, art by Neal Adams; While trying to stop a theft and murder by Gotham docks, Batman is mysteriously attacked by Aquaman; Suspicious of the Marius Enterprises company, Batman decides to investigate as Bruce Wayne, feigning an interest in donating money to the companies project to build a sea city; However, his knowledge of the goings on puts him at risk and company head Marius orders Aquaman to kill Wayne; Surviving the attempt and bringing Aquaman to Gotham PD headquarters, Batman helps Aquaman snap out of his hypnosis; Aquaman reveals that Marius is really his half-brother Ocean Master. Cap's Hobby Hints by Henry Boltinoff. Statement of ownership--average print run 469,000; average paid circulation 290,000. One page "Teen Talk" cartoons by Mort Drucker. Vigilante character profile. 36 Pages, Full Color. Cover price $0.12. Grade: FN- 5.5 explanation of grade Condition: Used (collectible)