Marvel Comics © February 1966, Fantastic Four  #47.  The story is "Beware the Hidden Land!".  After subduing  Dragon Man, the FF follow the Inhumans to their Great Refuge.

Appearing: Fantastic Four  [Mr. Fantastic [Reed Richards]; Human Torch [Johnny Storm]; the Thing [Ben  Grimm]; Invisible Girl [Sue Storm Richards]]; Inhumans [Triton; Black Bolt;  Medusa; Karnak; Gorgon; Lockjaw; Crystal]; Seeker; Dragon Man; Alicia Masters;  Maximus; Alpha Primitives

Works by;  Script  Stan Lee     Pencils Jack Kirby     Inks  Joe Sinnott

This book appears (VG 38), w/ the expected nics, tics, wear and tear.  Thanks for looking.     5221-1012-38