Daniel Bernstrom is a teacher, a poet, and an author of picture books, including One Day in the Eucalyptus, Eucalyptus Tree, illustrated by Brendan Wenzel. His book Big Papa and the Time Machine won the Minnesota Book Award and is the story of his grandfather leaving the south to find work and start a family amidst the challenges of 20th-century African American life. Daniel lives in Worthington, Minnesota with his family.