01350cam a2200349 i 4500 623907850 TxAuBib 20091024120000.0 760214m19641990||||||||||||||||||||eng|u 9780590426787 paperback 0590426788 paperback TxAuBib rda Warner, Gertrude Chandler, 1890-1979. Mountain top mystery / By Gertrude Chandler Warner, Illus. David Cunningham. New York : Scholastic, 1964-1990. 128 p : illustrations ; 22 cm. txt rdacontent n rdamedia nc rdacarrier Boxcar Children, The ; 9 The four Alden children are spending the summer mountain climbing in New England, and face rockslides as they search for secret treasure in a hidden mountain cave. 510L Lexile. Decoding demand: 80 (high) Semantic demand: 95 (very high) Syntactic demand: 80 (high) Structure demand: 86 (very high) Lexile. Accelerated Reader AR LG 3.6 2 5309. 20091024. Orphans. Siblings. Mountainclimbing. Mystery fiction. The Boxcar Children ; 9. TXKPL