ittle wood mouse. She is always sweeping her burrow, polishing and tidying. It is an endless job and it seems that no sooner has she made a good start than another messy visitor appears to leave their muddy footprints everywhere. Beatrix Potter had in her youth made beautiful microscopic studies of insects, and this knowledge enabled her to produce delightful pictures of the many uninvited guests, from spiders to bees, found in Mrs. Tittlemouse's underground home. The Tale of Mrs. Tittlemouse is number eleven in Beatrix Potter's series of 23 little books, the titles of which are as follows: 1 The Tale of Peter Rabbit 2 The Tale of Squirrel Nutkin 3 The Tailor of Gloucester 4 The Tale of Benjamin Bunny 5 The Tale of Two Bad Mice 6 The Tale of Mrs. Tiggy-Winkle 7 The Tale of Mr. Jeremy Fisher 8 The Tale of Tom Kitten 9 The Tale of Jemima Puddle-Duck 10 The Tale of the Flopsy Bunnies 11 The Tale of Mrs. Tittlemouse 12 The Tale of Timmy Tiptoes 13 The Tale of Johnny Town-Mouse 14 The Tale of Mr. Tod 15 The Tale of Pigling Bland 16 The Tale of Samuel Whiskers 17 The Tale of The Pie and the Patty-Pan 18 The Tale of Ginger and Pickles 19 The Tale of Little Pig Robinson 20 The Story of a Fierce Bad Rabbit 21 The Story of Miss Moppet 22 Appley Dapply's Nursery Rhymes 23 Cecily Parsley's Nursery Rhymes