Bonnie Christensen ( January 23 , 1951 -- January 12 , 2015 ) was an American author and illustrator best known for writing biographies and other illustrated non-fiction books for children and young adults .
Bonnie Christensen ( January 23 , 1951 -- January 12 , 2015 ) was an American author and illustrator . She best known for writing biographies and other illustrated non-fiction books for children and young adults .