The book "Nuclear War Survival Skills" has this text in the copyright section: "The copyrighted material may be reproduced without obtaining permission from anyone". Does this mean that Amazon can't charge for the ebook? Or just that anyone is able to make copies once they have a copy? And if they can make copies, are they then allowed to distribute them for free and/or for profit?
The book also contains the text "To assure that this new material also can be made widely available to the public at low cost, without getting permission from or paying anyone, I have copyrighted my new material in the unusual way specified by this 1987 edition's copyright notice", which is why this question came up in the first place