This volume investigates the challenge of advanced cryptic crossword construction and the specific linguistic dexterity required to solve them. The compiler, Alan Cash, draws upon a curated selection of puzzles originally featured in The Listener, a publication known for its rigorous standards in wordplay and lateral thinking. The book presents a collection of complex grids designed to test the solver's ability to decode intricate clues and recognize specialized thematic patterns.

Experts and enthusiasts recognize this collection as a high-level resource for experienced solvers. Readers frequently note the significant difficulty of the puzzles, which demand a high degree of patience and linguistic knowledge.