DC Comics © November 1965, Adventure Comics #338.  The story "The Menace of the Sinister Super-Babies!".  The Time Trapper sends Glorith to turn the Legionnaires into children.

Starring Legion of Super-Heroes [Superboy; Star Boy; Ultra Boy; Chameleon Boy; Matter-Eater Lad; Saturn Girl; Element Lad; Light Lass; Invisible Kid; Brainiac 5]; Time Trapper; Glorith

Scripts; Jerry Siegel    Pencils; Curt Swan, John Forte    Inks; George Klein, John Forte.

This book appears (F 61), w/ the expected nics, tics, wear and tear.  Thanks for looking.     0742-xxxx-61