This collection investigates the capacity for intellectual stimulation and leisure through the medium of high-difficulty, large-format crossword puzzles. Authored by John Grimshaw, the editor of The Times2 crossword, this volume compiles sixty selected puzzles originally featured in the Saturday edition of The Times. The work presents a structured framework for enthusiasts to engage with complex linguistic and general-knowledge challenges that exceed the standard daily crossword in both grid size and clue difficulty.

The subject matter points to a specialized resource designed for experienced crossword solvers seeking a higher degree of difficulty than standard daily puzzles. The framing suggests a rigorous, high-density collection that serves as a benchmark for enthusiasts of the British cryptic and general-knowledge crossword tradition.