By DK
By Paul Thurlby
By National Geographic Kids
By Various
By Smart Kids
By Anna Wilson, Elly Jahnz
By Cooper The Pooper
By Joey Hulin
By Scholastic, Inc
By Somerville, J.
By Miles Kelly, Rosie McGuire
By Terry, Paul
By RECORDS GUINNESS
By Guinness World Records
By Records, Guinness World
By National Geographic Society (U. S.), Malarkey, Curtis, Segal, Julie, Zook, Cheryl, Herbert, Truly, Errig, Chuck
By Ash, Russell
By Shields, Amy, National Geographic Kids