Tom Swift and the Visitor from Planet X

Price from Tuck. Printing priority and relative dates established with Tom Swift (TS) title lists on the reverse of the half title and back jacket flap, and Hardy Boys (HB) title list on the back jacket cover. Verification copy has the following points: Bound in blue tweed cloth lettered in dark blue with face of Tom Swift stamped in dark blue on the front cover, illustrated endpapers. Dust jacket with "100100" and "110-150" codes on front flap. First printing date "1961" on copyright page, lists to itself based in both lists) and to Hardy Boys #40 (Desert Giant) on rear jacket cover.