Robinett, Ralph F.; Bell, Paul W.; Rojas, Pauline M.; The Twin Mystery. All Systems Go! - Teacher's Manual, Level Fifteen and Plateau (Levels Thirteen-Fifteen)
LEXINGTON, MASSACHUSETTS, D. C. HEATH AND COMPANY, 1970 , PAPER BACK
Overall Condition is: GOOD
Illustrated covers. With Seatwork Book to accompany The Twin Mystery. All Systems Go! Two booklets stamped advance copy, not for sale: Light wear. Pages browning.
REF#:042340