Security+ Study Guide, 9th edition
Mike Chapple and David Seidl's study guide covers every SY0-701 objective chapter by chapter, with review questions at the end of each. The book comes with online practice questions, flashcards and a glossary.
Great fit if you learn by reading and want a reference to return to
Poor fit if you learn best through video or practical tasks; use Messer or Ramdayal's labs