31 The Boxcar Children paperback books. All are in good condition. The Titles include: #1 The Boxcar Children, #2 Surprise Island, #3 The Yellow House Mystery #4 Mystery Ranch, #5 Mike's Mystery, #6 Blue Bay Mystery, #7 The Woodshed Mystery, #8 The Lighthouse Mystery, #9 Mountain Top Mystery, # 10 Schoolhouse Mystery,# 11 Caboose Mystery, #12 Houseboat Mystery, #13 Snowbound Mystery  #14 Tree House Mystery, # 17 Mystery Behind the Wall, #21 The Deserted Library Mystery, #22 The Animal Shelter Mystery,#23 The Old Motel Mystery,  #24 The Mystery of The Hidden Painting, #25 The Amusement Park Mystery, #26 The Mystery of the Mixed-up Zoo, #27 The Camp-out Mystery,#28 The Mystery Girl, #31 The Mystery of the Singing Ghost, #32 The Mystery In the Snow,  #34 The Mystery Horse, #115 The Great Detective Race, # 124 The Pumpkin Head Mystery, The Box Car Children Specials # 2 The Mystery in Washington DC, #3 The Mystery at Snowflake Inn, #4 The Mystery at the Ballpark.