Cover image not available
The setting
The first battles (630-640)
Eastwards and westwards (640-652)
The push for constantinople (652-685)
The great leap forward (685-715)
Retrenchment and revolt (715-750)
The making of islamic civilisation.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
In God's path : the Arab conquests and the creation of an Islamic empire by Robert G. Hoyland. ISBN 9780199916375. Published by Oxford University Press in 2015. Publication and catalogue information, links to buy online and reader comments.