Not quite as fun as the first.

Hocus & Pocus: The Search for the Missing Dwarves (Hocus & Pocus #2) - Gorobei

I didn't enjoy this as much as the first one. The use of the siblings is still in force, and each one gets to be heroic.

The draw back is that for much of the book you are wandering though mazes, which is a bit of downer.

The plot is good though - it makes use of several fairy tales, and the puzzles are a little more difficult.