There are dozens of English e-books on ancient and modern European history.
There are, for example,
Cambridge History of the Greco-Roman Wars (two volumes in English);
Gale Arts and Humanities: Passing through the Ages (four volumes on European art) Five volumes in English;
Comparative study;
Encyclopedia of East Asia in six volumes in English;
Three Books on European Enlightenment Philosophy (English);
Routledge History of Philosophy -- C.W.T.LOR.PDF (Ten-volume History of European Philosophy) and so on ~~!!