Complete Spanish Workbook For Adult Beginners: Essential Spanish Words And Phrases You Must Know (Learn Spanish for Adults)
Madrigal's Magic Key to Spanish: A Creative and Proven Approach
Three Rivers Press
Spanish Grammar for Beginners: A Textbook and Workbook for Adults to Supercharge Your Spanish Learning
Learn Spanish: Grammar Workbook for Adult Beginners: Master Spanish in No Time with 15-Minute Daily Lessons, Practical Exercises, and Essential Grammar Rules to Live By (Easy Spanish)