What novel serials to read?

Getting into a book can mean you like it sooo much that you want to read more... here are some series to read:

FOR 8 TO 10 YEAR OLD READERS:

-DORK DIARIES
-HOW TO TRAIN YOUR DRAGON
-NAUGHTIEST GIRL
-ALEX RIDER
-JUDY MOODY
-THE MAGIC FARAWAY TREE
-THE FAMOUS FIVE
-THE WORST WITCH
-HARRY POTTER
-GOOSEBUMPS
-SHAKESPEARE CHILDREN BOOKS

FOR 5 TO 8 YEAR OLD READERS:

-WINNIE THE WITCH
-WINNIE THE POOH
-ADVENTURES OF PADDINGTON BEAR
-RAINBOW MAGIC
-DIARY OF A WHIMPY KID

FOR A MORE CHALLENGING READ:

-HUNGER GAMES 
-ADRIAN MOLE
-NARNIA
-PERCY JACKSON
-HOBBIT
-A SERIES OF UNFORTUNATE EVENTS