The Gospel of Barnabas is widely considered a pseudepigraphal work, likely written no earlier than the late medieval period. It should not be confused with the Epistle of Barnabas or other ancient Christian texts whose origins and manuscripts are well established.

Cradle of Islam: How Islam Began is a concise, easy-to-read, and accurate account of how Islam began. It investigates the initial beginning of Islam including its religious and historical background, main historical figures, and subsequent expansion. The book also presents the story of how the Quran was compiled and transmitted.

While it is based on the latest and most accurate historical research on early Islam, it is intended to be read and enjoyed by readers who are less familiar with Islam. The author’s aim was to make this book accessible and enjoyable to every reader, while providing good coverage of the main elements of the religion. Despite its concise format, Cradle of Islam contains a wealth of information about Islam.

 This is a must-read book for all who are interested in learning about Islam. 

Dawn of Islam: An Introduction to Early Islam presents a critical historical and theological introduction to Islam. Focusing on the early periods of Islam, the author investigates how Islam began, including its religious and historical background, main historical figures, initial beginning, and subsequent expansion. The book also presents a critical analysis of the Quran and the history of its transmission.
While Dawn of Islam is an introductory text on Islam, it provides comprehensive coverage of the main elements of the religion. Written in a concise manner, the book is intended to lay a solid foundation for further study of Islam in the more in-depth works published by the Religion Research Institute.
The book is recommended for those western laymen who want an accurate but easy-to-read and concise historical account of early Islam and for students of Islam and those who desire a deeper understanding of this historical period. Finally, the book provides an introductory academic textual criticism of the Quran.