PrepTest 74 is the most recently released LSAT, so it's the best reflection of the LSAT's current state. It's especially crucial for anyone preparing for the February 2015 LSAT and beyond to thoroughly study this exam. The LSAT evolves over time.
You can get free video explanations for LSAT PrepTest 74 Logic Games. You can also get low-cost explanations for LSAT PrepTest 74 for instant PDF download.