Tunnel Through Time - Lester Del Ray - paperback book in great condition

Tunnel Through Time Lester Del Rey First Print 1967 PB Scholastic Book Services

Tunnel Through Time Lester Del Rey

Tunnel Through Time by Lester Del Rey

1966 Tunnel Through Time Travel Lester Del Rey Scholastic PB Book Sci- Fi Book

Tunnel Through Time - Lester del Rey - 1966 HCDJ (probably 1st ed)