Martha and Sully are best friends living on a small farm in Vermont. One day when Farmer Joe decides to repair the fence, Martha and Sully sneak out to explore in the nearby woods. The new experiences they encounter find them curious but will their curiosity get them into trouble? The Adventures of Martha and Sully is a fun book about friends and the mischief that they can get into but at the same time explores the meaning of true friendship and sticking together through everything.