What is "hrafnaspark"

Hrafnaspark is a short Icelandic young adults' novel by Eysteinn Björnsson. Its title is a pun: hrafnaspark means 'scrawl', but literally means 'ravens' kick', while the main character is called Hrafn, whose own name means 'raven'. It was voted one of Árborg library's most popular children's books in 2011.