00928cam a2200229 4500 204790683 TxAuBib 20150101120000.0 931112s1992||||||||||||||||||||||||eng|u 9780807552926 0807552925 TxAuBib Warner, Gertrude Chandler. Mountain top mystery / Gertrude Chandler Warner ; illustrations: David Cunningham. Morton Grove, Ill. : A. Whitman, 1992. 128 p. : ill. ; 20 cm. A family starts out on a one-day mountain climbing excursion that becomes very exciting. In fact, it becomes an adventure for the former "boxcar" family. They unearth some mysteries and have a fine time in the process. 20150101. Detective and mystery stories. Mountaineering Fiction. Cunningham, David, 1938-