Xinn Lin, the prominent six-toe poet, has published two books of poetry about having six toes:
Toeing Life, Xinn Lin, Trafford publishers, 2012, ISBN 1466931531. the publisher says: “Toeing Life is a collection of poetry by Xinn Lin that allows her to share her questions and doubts about her life while she examines her innermost thoughts…. Lin was born with six toes, something that has defined her and how she thinks and feels.”
Tip Toe, Xinn Linn, Trafford publishers, 2013, ISBN 1466991372.
(Thanks to investigator Ramona Gillies for bringing six-toe poetry to our attention.)