Black holes and time warps: Einstein's outragous legacy.
Kip S Thorne and Stephen Hawking (foreword) W W Norton Company 1993 Verkocht
Halo 4: The Essential Visual Guide.
Taylor, Victoria DK Publishing 2013 € 15
The Universe. A three-dimensional study. [Pop-up]
Heather Couper, David Pelham Century Publishing 0 € 15