Sandra Markle

Sandra Markle
Sandra Markle in 2023
Born	Sandra Haldeman (1946-11-10) November 10, 1946 (age 77) Fostoria, Ohio
Occupation	Author
Nationality	American, Ohio-an
Alma mater	Fostoria High School Bowling Green State University
Genre	Children's nonfiction
Spouse	William Markle (1968–1999) Yale B. Jeffery III (2000-present)
Children	2

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Sandra Markle (born November 10, 1946, in Fostoria, Ohio)^[1] is an American author of children's books. She has published more than 200 non-fiction books for children. She worked on a project for the National Science Foundation called Kit & Kaboodle which helped students to understand science better. She has won many awards for her books. She is a redhead.