Scott S. answered 05/07/19
Dr. Sorenson JD, MD - specialized LSAT tutor with extensive experience
The test has not changed very much since 2014 (although it has changed slightly) so a book from 2014 will not be obsolete. However, I always recommend students work with actual real LSAT tests which are published by the LSAC in packs of 10 and can be purchased cheaply on Amazon.