Hannah Clarke is a filmmaker and publicist based in Wellington, New Zealand. She has worked for Peter Jackson's visual effects company on such films as the Lord of the Rings trilogy, King Kong, and Avatar. Her 2009 documentary, Flight of the Conchords- ON AIR, covering the rise to fame of New Zealand comedians Bret McKenzie and Jemaine Clement, screened internationally on HBO and the BBC. Hannah is a mother of three kids who often ask her about vibes. Upon discovering that no books existed on the subject, she decided to make one. This is her first book.
Aki, whose real name is Delphine Mach, has been writing and illustrating since 2008. After studying graphic design at the Duperre School in Paris, she began her career in children's books as co-author and illustrator of the Santi & Jo series. She then developed the Pan and Chat series and wrote her book The Weather Girls. When she is not illustrating for editorial and publishing clients, Aki writes a culinary blog Les 3 Soeurs (The 3 Sisters) that she shares with her sisters (who are equally passionate about cooking).