Detective Comics 1937 #306 - 6.0 - $26.00
His brain enlarged by a freak accident, Prof Hugo attacks Batman with invisible robots.
A rare meteorite saps Manhunter's powers as he battles giant robot animals created by an unnamed scientist.
On-sale date from copyright registration.
- - Inside front cover.
- The Wizard of 1,000 Menaces - Writer credit from Martin O'Hearn at http://martinohearn.blogspot.com/. Mention that Bruce's ancestor Lancelot, tried to glide using a bat wing model. All of Hugo's subsequent appearances are as a Martian Manhunter villain.
- The Last Days of J'onn J'onzz - writer credit by Bob Hughes
- Not Wanted: High School Dropouts! - On the page immediately following page 7 of the previous story sequence.
- - On the page immediately preceding page 8 of the previous story sequence.
- - On the page immediately preceding page 8 of the previous story sequence.
- Task Force - Sold by Helen of Toy.
- - Sold by Josely Company.
- Frontier Cabin - kids' playhouse
- - Inside back cover.
- 100 Toy Soldiers $1.25 - Sold by Josely Company. Back cover.
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