You may begin with:
Redford, Donald B., ed. (2001). The Oxford Encyclopedia of Ancient Egypt.
for a general account. Ancient Egypt existed for very long time, and it has been very much
studied, with plenty of books written on specific periods and various aspects of its history. This one can give you a general orientation.
You do not have to worry that books on ancient Egypt may be biased: the modern Egyptians (Arabs) have nothing to do with ancient Egypt. Even not related:-)
Ancient Egypt was first conquered by Persians (26 centuries ago), then by Macedonians, then by the Roman empire, and finally by the Arabs. So its culture (including the language, writing, religion, etc.) was completely forgotten in the process, and was only recovered by the modern science, after their ancient writing was deciphered in the early 19th century.