Answers & Notes
Exercise answers, example sentences, and a few extra author notes.
Supplemental exercises
Get more practice with additional materials.
Teacher’s notes
Author notes musing on how he found success teaching each lesson.
Billionaire VIP
Free
Get exclusive access to all of Billionaire's extra digital material.
✓ Read Chapter 1 in its entirety for free.
✓ Listen to the first chapter of the audiobook for free.
✓ VIP access to Answers & Notes for students.
✓ VIP access to Supplement Exercises for students.
✓ VIP access to Teacher's Notes for teachers.