how one community became the bicycle capital of the world. “a heartening picture book about bicycles, activism and social change.” booklist. macmillan usa.

Maartje - a young Mom in the 1970s

Child protesters, and the police.

Maartje leading the campaign in the 1970s

Child protesters in the 1970s

Child protesters in the 1970s

Maartje - a young Mom in the 1970s

Maartje in 2015

Maartje in 2015

Maartje in 2015

Bikes and bridges - Amsterdam

Maartje in 2015