Prize crossword: win two fantastic books

Win The Frayed Atlantic Edge - A Historian’s Journey from Shetland to the Channel by David Gange and Rough Magic - Riding the World’s Wildest Horse Race by Lara Prior-Palmer

ACROSS

1. A sweet oatcake (8)

7. Slender bone between knee and ankle (6)

8. Coarse corundum, for polishing metals, etc. (5) 9. Nocturnal rodent of Central America and the West Indies, related to the guinea-pig (6)

10. Sweet-flavoured melon (8)

13. Before 1832, the supporters of parliamentary reform; later, the advanced wing of the Liberals (8)

15. Style of architecture, etc., prevailing in Louis XV’s time (6)

18. Ship, aircraft, etc., used as protection or guidance (6)

20. Salad vegetable (8)

22. Fragments of a shell or bomb, scattered by explosion (8)

24. A member of a group of Native American peoples of the southwestern U.S.A. (6)

26. Hard, overhand stroke in lawn tennis (5)

27. A kind of optical illusion (6)

28. Minor planet revolving mainly between the orbits of Mars and Jupiter (8)

DOWN

1. Quilled and barbed structure growing from a bird’s skin (7)

2 and 3. Gerald Ford’s successor as president of the U.S.A (5,6)

4. The storytellers in Chaucer’s Canterbury Tales (8) 5. South African native of the Bantu nation of Natal (4) 6. Infectious disease of dogs, etc. (6)

11. Small recess in a wall, for a statue (5)

12. Viscous or solid material of natural origin consisting largely of esters of fatty acids (3)

14. Fruit of the oak (5)

16. Ancient city near Tunis on the north coast of Africa (8)

17. Tall kind of lettuce (3)

19. A town in Shropshire, designated a new town in 1963 (7)

20. Surname of the composer famous for his German Requiem, the Academic Festival Overture, etc. (6)

21. The doubting apostle (6)

23. Passage between rows of seats in a church or theatre (5)

25. City and port of Israel (4)