01047cam a2200289 4500 509623481 TxAuBib 20210826120000.0 981028s1969||||||||||||||||||||||||eng|u 9780807580875 0807580872 ICrlF ICrlF ICrlF TxAuBib Warner, Gertrude Chandler, 1890- Tree house mystery / Gertrude Chandler Warner ; illustrations, David Cunningham. Chicago : Whitman, 1969. 127 p. : ill. ; 20 cm. Boxcar children mysteries ; ; 14 Six children help solve the mystery of a missing spyglass that has kept two brothers feuding for years. 4.5 Follett Library Resources. 3-6. 20210826. Brothers Fiction. Mystery and detective stories. Mystery fiction. Cunningham, David, 1938-, ill. Boxcar children mysteries ; ; 14.