Arcane Constructs: Enigmas in Structural DesignSize: 9Difficulty: hardCryptic Riddles in ArchitectureChallenging puzzle for experienced crossword solvers
Enigmatic Constructs of Architectural LexiconSize: 7Difficulty: hardCryptic Riddles in ArchitectureChallenging puzzle for experienced crossword solvers
Esoteric Lexicon of Architectural ElementsSize: 6Difficulty: hardCryptic Riddles in ArchitectureChallenging puzzle for experienced crossword solvers
Esoteric Constructs and Architectural EnigmasSize: 10Difficulty: hardCryptic Riddles in ArchitectureChallenging puzzle for experienced crossword solvers