Hunky Dory by Jean Ure

A bit different, this one. Dorian, the "hunky Dory" of the title, is having trouble with girls who keep giggling around them. Just as well his best friend, Aaron, and Herb, his uncle's stepdaughter, are helping him dig a big hole in the interests of archaeology. Fun, lighthearted, and a very quick read! (It's aimed at 9+, I just discovered on the Jean Ure website.)