As a charter member of the official Walt Disney Parks Moms Panel, Erin Foster has researched and written answers to more than 10,000 guest questions about Disney travel. She lives in New York City. Len Testa is the coauthor of "The Unofficial Guide to Walt Disney World" and "The Unofficial Guide to Disneyland." He lives in Orlando, Florida. Ritchey Halphen is a project editor at AdventureKEEN. His two decades of publishing experience include editing stints at "Cooking Light," Southern Living," and "Health" magazines. He lives in Birmingham, Alabama.