Mrs Wiggins Wartymelons by Glenda Millard.

 http://www.kurwongbss.eq.edu.au/thinking/Hats/hats.htm


 
 Black Hat - Alfie Gives a Hand, Shirley Hughes
 - Animals Should Definitely Wear Clothing, Judi Barrett
 - The Big, Fat, Enormous Lie, Marjorie Weinman Sharmat
 - Rosie's Walk, Pa Hutchins
 
 Yellow Hat

- If the Dinosaurs Came Back, Bernard Most
 - Snow is Falling, Franklyn M. Branley

 Green Hat - Miss Nelson is Missing, Harry Allard
 - Old Bear, Jane Hissy
 - A rainbow of My Own, Don Freeman
 - What Happened to Patrick's Dinosaur? Carol Carrick
 - Who's in Rabbit's House? Verna Aardema
 - If I Ran the Zoo, Dr Seuss
 
 Red Hat - Feelings, Aliki
 - Sylvester and the Magic Pebble, William Steig
 - The Temper Tantrum Book, Edna Mitchell Preston
 - Things I Like, Anthony Browne
 - Alexander and the Terrible, Horrible, No Good, Very Bad Day, Judith Viorst
 - Bedtime for Frances, Russell Hoban
 - Blueberries for Sal, Robert McCloskey
 - Lon Po Po: A Red Riding Hood Story from China, Ed Young
 - The Paperbag Princess, Robert Munsch