First edition bound in blue boards. A VG copy in dj. Light rub to the spine tips and corners. Tight, clean copy. Dj rubbed at the tips, corners and along the front spine seam. Unclipped.
Used availability for Frank Gruber's The Fourth Letter
1950 : USA Paperback
Title: Fourth Letter
Author(s): Frank Gruber
ISBN: 0-451-00799-9 / 978-0-451-00799-5 (USA edition)