I found the following books today. All free so worth a click. Not dowloaded by myself so can't comment on how good they are.
Amazon product ASIN B013C8PZTW
Amazon product ASIN B00VYXV9R0
Amazon product ASIN B00SG66VEY
Amazon product ASIN B00NFE8IQG
Amazon product ASIN B013C8PZTW
Amazon product ASIN B00VYXV9R0
Amazon product ASIN B00SG66VEY
Amazon product ASIN B00NFE8IQG