It is based on the novel Thunderwith by Australian children's author Libby Hathorn.
Thunder Bay | Echo & the Bunnymen | Rolling Thunder Revue | Tropic Thunder | Oklahoma City Thunder | Echo of Moscow | Echo | Thunder Alley | Liverpool Echo | Thunder | Jimmy Thunder | Days of Thunder | Echo Park | Bone Sharps, Cowboys, and Thunder Lizards | WCW Thunder | Thunder Bay Symphony Orchestra | thunder | Crazy Thunder Road | Cape Fear Thunder | Some Loud Thunder | Power Rangers Dino Thunder | Minnesota Thunder | He Shall Thunder in the Sky | Gentle Thunder | Fort Thunder | Dots Will Echo | Thunder Horse PDQ | Thunder Beach | Thunder Bay Historical Museum | Thunder Bay Chill |
Hallmark Hall of Fame has made a movie of her best-selling young adult novel, Thunderwith, re-titled The Echo of Thunder.