FANTASTIC FOUR (1961) #81

Crystal of the Inhumans joins the team! Following Sue’s maternity leave, the Fantastic Four…are three. Crystal steps up to the challenge of becoming a full time member, and just in time too- the Wizard’s launched an attack on the Baxter Building! With Sue taking care of the baby Crystal thinks she aught to fill in for her on the Fantastic Four roster. Do the the rest of the members feel the same?