Speurhond Willem in die ruimte | Children's Fiction

Elizabeth Wasserman

In the fourth adventure Willem and Adriaan go to Baikonur in Kazakhstan, from where they are launched into space to investigate a mysterious problem with the International Space Station’s oxygen supply.

(http://www.youtube.com/watch?v=n__mxVN8L_U)

This is the fourth book in the series:
Book 1: Speurhond Willem op reis (ISBN 978-0-624-04842-8)
Book 2: Speurhond Willem en die seerowers (ISBN 978-0-624-05285-2)
Book 3: Speurhond Willem en die wilddiewe (ISBN 9780624053309)