She has illustrated many books in collaboration with children's author, Harriet Ziefert, including the "Little Hippo" series.
Boon has worked for Houghton Mifflin to illustrate online leveled readers that teach reading skills and improve content knowledge attainment.
Boon was born in The Netherlands, she moved at an early age and was subsequently raised in many countries including Mexico where she lived for ten years.
[2] Her first book, Peterkin Meets a Star, was published by William Heinemann in England in 1983 and by Random House in North America a year later.
They can select an emotion for the carved pumpkin's face, determine proportions for candy giving, and dress the bear for trick-or-treating.
"[8] Boon later obtained an attorney, Seth Salinger, through the Boston non-profit, "Volunteer Lawyers for the Arts."
"[8] Boon has illustrated Houghton Mifflin online leveled readers,[9][10] which combine written and audio technology to teach students to read and attain content knowledge.
Fiction, math, science and social studies books are written and produced for specific English-language learner (ELL) levels.
[12] The first book that Boon wrote and illustrated, Peterkin Meets a Star, has been made into an app for iPads and iPhones.