DC · February, 1959
1st Appearance of Mirror Master; Origin of Flash II (Barry Allen); Numbering continued from Flash Comics
Conqueror From 8 Million B.C.!; The Master of Mirrors!; Educ: Amazing Speeds; Flash Facts; Birds in Flight (text); Solar System Speeds; Educ: Nature Wonderland
Writer: John Broome
Artist: Carmine Infantino