TY - BOOK AB - Six children help solve the mystery of a missing spyglass that has kept two brothers feuding for years. AU - Warner, Gertrude Chandler, AU - Cunningham, David, CN - PZ7.W244 CN - CMC PZ7.W244 CY - Chicago, DA - [1969] ID - 75016 KW - Boxcar children (Fictitious characters) KW - Orphans KW - Families KW - Brothers and sisters KW - Orphans KW - Mystery and detective stories. N2 - Six children help solve the mystery of a missing spyglass that has kept two brothers feuding for years. PB - A. Whitman PP - Chicago, PY - [1969] SN - 0807580864 T1 - Tree house mystery / TI - Tree house mystery / ER -