17. 18. 19.
21. ACROSS 1. Kenyan-born British evolutionary biologist and author whose books include The Selfish Gene (7) Pen name of the English novelist who wrote The Day of the Triffids, The Kraken Wakes, The Chrysalids, The Midwich Cuckoos and Chocky (7) With English scientist Charles Wheatstone, the co-inventor of an early electrical telegraph system (5) Named after the Roman goddess of love and beauty, planet orbiting between Earth and Mercury with no natural satellite (5) Irish novelist, poet and playwright whose notable works include The Vicar of Wakefield, The Deserted Village, The Good-Natur’d Man and She Stoops to Conquer (9) Prong of an antler; unit of weight for diamonds equal to 1/100 of 33 Across; or the sharp end of a sword (5) Small tile or block used in the construction of a mosaic (7) In heraldry, tincture with the colour blue (5) Lawyer-turned-novelist and short story writer who created 36 Down (7) Author of Three Men in a Boat (6) In geometry, a plane figure with five straight sides and five angles (8) Daily, weekly or monthly edition of a newspaper or magazine (5) 24. _____ Rose; sauce served with seafood such as prawns, also called Thousand Island dressing (5) 26. In Roman and classical mythology, a hero of superhuman strength who performed 12 immense labours (8) 28. Manager of Stoke City FC (6) 31. ____ the Engine; Oliver Postgate’s series for children based on a fictional character who lived in the “Top left-hand corner of Wales” (4) Given name of the photographer, animal-rights campaigner and author of a number of books on vegetarian cookery who was married to Paul McCartney (5) Unit of weight for measuring gemstones and pearls (5)