Kaz Cooke is a bestselling author and cartoonist whose books have informed and tickled Australians and New Zealanders for more than twenty years. Her books include Up the Duff: The Real Guide to Pregnancy, Babies & Toddlers: The Sequel to Up the Duff, Girl Stuff 8-12, Girl Stuff: Your Full-on Guide to the Teen Years - all updated each year; Women's Stuff, the children's picture books Wanda Linda Goes Beserk and The Terrible Underpants, and the novel Ada. With a background in journalism, she's a mum who enjoys reseach, toast and having a good lie down.