Gender Blender by Blake Nelson

This book is about a girl named Emma Baker and Tom. they used to best friends then when sixth grade started they suddenly weren't even frieds anymore.then one day when the were both jumping on the school trampoline they bashed their heads togather and Emma became Tom and Tom became Emma. then Emma finds out it was because of the arrowhead that Tom had found.and they have to find a way to turn into themselves before its too late.

Naha, age 12, Ancaster Branch