 In 2008, the Olsen twins co-authored, "Influence", a book featuring interviews with fashion designers that have inspired the twins' fashion lines.In 2011, Mary-Kate and Ashley teamed up with TOMS Shoes to design footwear for kids without shoes in more than 20 countries worldwide.Mary-Kate and Ashley designed an Olsenboye Change Purse in 2011 and donated the money to "Pennies From Heaven".