$250 · CASCA Mercenary by Sadler. COMPLETE SET OF 22 books. Green Beret & hit Singer
The complete set of 22 Casca books by Barry Sadler. 1985 to 1990
Sadler was a U.S. special forces Green Beret who gained noterity
for his 1965 hit single "The Ballad of The Green Berets"
which was #1 on Billboard for 5 consecutive weeks.