Salam Alaykom.

I wish to learn about Islam's history, but I don't know what books to read. I don't know which books are reliable. Could you give me the names of some books or the Internet sites to some books in PDF forms.

Jazak Allah kheyr
Fi aman Allah

There are few books written by maulana saeed Akhtar Rizvi sb
God of Islam
Need of religion
Mohammad saw is the last prophet
Imamat , Islam, The family life of Islam,and inner voice
All books are informative and simple.