DP 5. Mystery of the Bluebird Crash, The

Nicolas Forsyth was the imaginary author of the mystery story featured in this 500 piece fully interlocking cardboard, Detecto Puzzle, challenging the puzzle owner to identify Peter Henderson's murderer on board the plane.
This is number five in the set, the reverse side of the bookshelf-style box, listing the other titles available and quoting a copyright date of 1975.
Images and details courtesy of Alan Sudbury.

Artist: Unsigned
Date: c1975
Brand: Detecto Puzzles
Material: Cardboard
Nationality: British
Number: DP 5.
Pieces: 500
Size: 20" x 15"
Theme: Mystery
Title: DP 5. Mystery of the Bluebird Crash, The