I remember reading a Famous Five as a kid whilst on holiday in Scotland. Ended up hooked on the series and bought nearly every one along with many of the Secret Seven books.
As I reached high school I moved onto Fantasy books such as the Forgotten Realms/Dragon Lance series and Lord of the Rings along with a dose of StarWars/AvP Science Fiction and a bit of Stephen King. Many years later and I'm not more into reading books like Clive Cussler's Dirk Pitt and Sci-Fi currently still reading the Honor Harrington series by David Webber.
Funny how reading habits change over the years