Michael Maertens

It’s perfect pandemonium when Bibi and Tina meet a runaway boy with an attitude problem, who turns out to actually be a girl, named Adea. ...

When robbers hit Falkenstein castle, teen witch Bibi and pal Tina hunt for the crooks, then devise a plan to save the neighbors’ failing ranch.

Bibi Blocksberg visits her friend Tina Martin at the riding stables during the summer vacation. This year there is to be a special horse race ...