1960’s children’s book set Jan Jaap by Leonard Roggeveen. These are the German editions. Hard to find and absolutely stunning.

3 titles are:

Jan Jaap und seine Eisenbahn 1965

Jan Jaap und seine Tiered 1964

Jan Jaap bait einen Schneemann 1965

Illustrations Jenny Dalenoord

Hardcover

In excellent condition. Jan Jaap und seine Eisenbahn shows some wear on cover.