The Anastasia series in particular...and I think they now have a series for Anastasia's little brother that's more targeted to boys.

http://www.loislowry.com/books.html

When books are burned (banned) in the end people will be burned too.

Heinrich Heine
German critic & poet (1797 - 1856)

Not so much a chapter book, but I enjoyed the Shel Silverstein books - Where the Sidewalk Ends ... and the other one, the name escapes me at the moment.

Thanks osuche! I had only read the last ones on that list and am surprised to see she wrote so very different.

cue for treason (grade 6)