Prayer

Edward McKendree Bounds
The Collected Works of EM Bounds
AmazonB&NKobo  – iBooks
(For even more Bounds, check out his bio page here.)

Samuel Chadwick
The Path of Prayer
AmazonPRINT edition — B&NKobo

The Collected Works of Samuel Chadwick
AmazonB&NKobo

P. T. Forsyth
The Soul of Prayer
AmazonB&NKobo

George Kulp
The Callused Knees
Amazon

David MacIntyre
The Hidden Life of Prayer
AmazonB&NKobo

Alexander Whyte
Lord Teach Us To Pray
AmazonAvailable FREE here