Books published in 1970

	Blauwe wereld
	Published by	Born
	Dirdir (De)
	Published by	Meulenhoff
	ISBN	90-290-7136-2
	Moordmachine (De)
	Published by	Meulenhoff
	ISBN	90-290-2018-0
	Pnume (De)
	Published by	Meulenhoff
	ISBN	90-290-0273-5