Tackle head-on all the hurdles that you find hard about learning Spanish Practice Makes Perfect: Spanish Problem Solver doesn't pretend that learning Spanish is easy. Instead of covering the entirety of the language, it hones in on those areas where you might have difficulty--areas such as saber vs. conocer, tener vs. hacer, ser vs. estar, para and por, and the preterit vs. the imperfect tense. Features: A variety of extensive exercises for practice Practical and high-frequency vocabulary Answer key provided for reference and quick feedback Don't sweat those troublesome grammar areas any more! Practice Makes Perfect: Spanish Problem Solver is your perfect learning tool for ironing out your troubles.