It'll depend on what you're trying to do. Different entities hold different rights. W. H. Freeman and Company held the rights related to non-U.K. English language versions of the book. However, the company doesn't exist any longer as an independent business. Rights that they held now belong to Macmillan Learning. To inquire about their properties, try using this form: https://www.macmillanlearning.com/college/us/legal/copyright-permission-form Or email this address: permissions@macmillan.com Penguin Books holds the rights to U.K. English language versions of the book. To contact them, mail these 3 addresses: penguinpermissions@penguinrandomhouse.co.uk randomrights@penguinrandomhouse.co.uk randomrights@penguinrandomhouse.com Suhrkamp Verlag holds the rights to German language versions of the book. To contact them, email this address: Nora Mecurio mercurio@suhrkamp.de Other parties and/or entities hold the rights to different properties such as use the author's original materials. #fedihelp