00517cam a2200193 4500 547820622 TxAuBib 20020601120000.0 020531s1979||||||||||||||||||||||||und|u 78-12181 9780811664066 0811664066 TxAuBib Hall, Lynn. The Mystery of the Schoolhouse Dog. Champaign, Illinois : Garrard Publishing Co., 1979. 64 pp. 20020601.