This collection addresses the demand for high-difficulty, large-format word puzzles by providing a curated selection of jumbo crosswords from The Times UK. The volume is compiled by John Grimshaw, the editor of the Times2 crossword section, who leverages his expertise in cryptic and general knowledge clue construction to challenge experienced solvers. The book serves as a comprehensive resource for enthusiasts seeking to test their vocabulary, lateral thinking, and patience through extended grid formats.

The book is regarded as a standard reference for dedicated crossword enthusiasts who prefer the specific style and rigor of The Times UK puzzles. Its inclusion of jumbo grids suggests a focus on long-form engagement rather than quick, daily puzzle solving.