The Discipleship Gospel Workbook: https://www.himpublications.com/product/the-discipleship-gospel-workbook/ 

If you grab them before July 31st, you can get both for just $20 for listeners of this podcast. Go to the link above and follow these three steps:

STEP 1. Add The Discipleship Gospel Workbook to your cart

STEP 2. Enter the coupon code BUYBOTHDUKES

STEP 3. Watch it automatically add The Discipleship Gospel book book to your cart at discount

The Discipleship Gospel: https://www.himpublications.com/product/the-discipleship-gospel/