The X-Men 1963 #51 - 4.0 - $25.00

Magneto declares that Lorna Dane is his daughter and gives Lorna the choice of siding with him or with the X-Men. Instead of waiting for Lorna to decide, the X-Men choose to fight Magneto and his minions. Realizing that they are overwhelmed, the X-Men flee from the battle, but Lorna remains behind with Magneto.

Conquistador believes that he has found the last link in his plans for human domination after witnessing the mutant abilities of Hank McCoy; so, Conquistador sets about kidnapping Hank and Hank's parents to coerce the young mutant into complying with his scheme.

On-sale date from 1968 Periodicals, Copyright Office, Library of Congress.

• - Inside front cover. Ad for a variety of novelty items from the Johnson Smith Company.
• The Lure of the Beast-Nappers! - The Origins of the Uncanny X-Men! part 14, origin of the Beast part 3, pages 1 and 2 of this story is not reprinted in the Amazing Adventures #17 and X-Men: Mutations #nn reprints.
• A Titanic Treasure-Trove of Traumatically Tempting Tid-Bits, Tastefully Tossed Together to Tease and Tantalize Thee! - Includes Stan's Soapbox, Items, and The Mighty Marvel Checklist.
• - Letters from: Lynn King, Tad Stones, Rich Matros, Celeste Martin, Larry McGill, Carl Brezausek, Christine Cassello, and Don Gregg; Know Ye These, the Hallowed Ranks of Marveldom.
• - Promo for the Fantastic Four and Captain America titles.
• - Inside back cover. Ad for weight lifting equipment, lessons and consumables.
• - Back cover. Ad for the Famous Artists School.