We recommend books by any of the authors on this list:
Voddie Baucham
James M. Boice
Arnold Dallimore
Roger Ellsworth
Ken Ham
Steven Lawson
Martyn Lloyd-Jones
John MacArthur
Iain Murray
J.I. Packer
John Piper
R.C. Sproul
Sam Storms
John Stott
Paul Washer
Don Whitney