Supporting the work of Battersea Dogs and Cats Home. Battersea's Dog Puzzle Book is packed with fun-filled teasers dedicated to our furry, four-legged friends. Puzzle your way through more than 100 dog-themed brainteasers. From crosswords to word searches, hidden codes to logic puzzles, you'll find more than 100 puzzles to challenge and entertain all dog lovers, from young pups to old hounds..