What if? Was wäre wenn?: Wirklich wissenschaftliche Antworten auf absurde hypothetische Fragen - Erweiterte Ausgabe
by Randall Munroe,Ralf Pannowitsch
ISBN 13: 9783328106906
Format: Paperback Publisher: Penguin Verlag Published: 02 Nov 2020
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What If?2: Additional Serious Scientific Answers to Absurd Hypothetical Questions
by Randall Munroe
ISBN 13: 9781473680623
Format: Hardcover (368 pages) Publisher: John Murray Published: 13 Sep 2022
ISBN 13: 9781399811149
Format: Paperback (368 pages) Publisher: John Murray Published: 14 Sep 2023