While the book is text-heavy, McGraw-Hill provides access to online audio recordings. Listen to the dialogues and repeat them out loud. You need to train your ear and your mouth.
"The first two weeks were humbling," Mark said. "I thought I knew Spanish because I knew 500 words. Then Unit 5 on Ser vs. Estar wrecked me. But I stayed with it. By the time I hit the Subjunctive in Unit 23, it finally clicked. This book doesn't lie to you. It tells you the rule, shows you the exception, and then makes you write it ten times until you never forget it." Practice Makes Perfect - Complete Spanish All-i...