Benny Uncovers a Mysteryby Gertrude Chandler WarnerSimilar age/author pick
About this book
When the Boxcar Children visit a neighbor's house, a mysterious old wedding photo and a riddle lead them on a "spy game" devised long ago by the original owner. The children hunt for clues and discover amazing things โ but soon they begin to suspect there's a mystery inside the mystery.
