pb?Paperback. Typically 7" by 4.25" (18 cm by 11 cm) or smaller, though trimming errors can cause them to sometimes be slightly (less than 1/4 extra inch) taller or wider/deeper.
Notes:
4th printing as per number line.
Date from Jaffery's Retrospective of DAW Books.
DAW catalog #UJ1327
Cover printed in the US, book in Canada.
Cover art credited to George Barr on copyright page but is signed Hescox.
Interior art piece is not credited but is signed by Barr