This is one of the most popular introductory books on Ancient Egyptian religion and culture, written by an expert, Adolf Erman and published in 1910. Richly illustrated and well organized, it's a handy reference source for Ancient Egypt enthusiasts. The PDF version here is freely downloadable, like all the other very important works of pioneer archaeologists, ancient near-east specialists and egyptologists. I recommend to browse the Core Texts Library of Etana, you may find many interesting books and documents.

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