00823cam a2200253 4500 84197394 TxAuBib 20110101120000.0 761028t19771976||||||||||||||||||||eng|u 76050584 9780516035963 0516035967 DLC DLC DLC TxAuBib Biro, Val, 1921- Gumdrop posts a letter / Val Biro. Chicago : Childrens Press, 1977. ©1976. 24 p. : col. ill. ; 21 cm. Stepping stones Gumdrop the antique car helps catch the post office van so that Mr. Oldcastle, his owner, can mail an important letter. 20110101. Automobiles Fiction. Stepping stones.