C. V. VISHVESHWARA: Einstein's Enigma - or: Black Holes in my Bubble Bath, JAY B. HOLBERG: Sirius - Brightest Diamond in the Night Sky, MARTIN MOBBERLEY: Supernovae and How to Observe Them - Astronomer' Observing Guides, OLIVIER DE GOURSAC: Die Raumfahrt für Kinder erzählt