30-Second Astronomy : The 50 most mindblowing discoveries in astronomy, each explained in half a minute Fressin, Francois 9781785783593 30-Second Heftet 03.05.2018 Engelsk Nytt opplag ventes
30-Second Astronomy : The 50 most mindblowing discoveries in astronomy, each explained in half a minute Fressin, Francois 9781848315976 30-Second Innbundet 04.07.2013 Engelsk Nytt opplag ventes