vol. 1 An Introduction
vol. 2 What if I ... quit smoking?
vol. 3 What if I ... walk 3km a day?
vol. 4 What if I ... "disconnect" for a week?
vol. 5 What if I write a letter every day?
vol 6. What if I ... talk to strangers?
vol. 7 What if I talk to strangers (part 2)
vol 8. What if I ... give up caffeine?
vol 9. What if I ... apply for a job?
vol 10. What if I ... go on a diet?
vol. 11 What if I ... speak French?
vol 12. What if I ... eat a proper breakfast?
vol. 13 What if I ... hit the pool?
vol. 14 What if I ... cut my wardrobe in half?
vol. 15 What if I ... watch two films a day for two weeks?
vol. 16 What if I ... draw pictures?
vol. 17 What if I ... eat peculiar Japanese foods?
vol. 18 What if I ... get a haircut in a foreign country?
vol. 19 What if I ... go backpacking?
vol. 20 What if I ... apply for film school?
vol. 21 What if I ... start budgeting?
vol. 22 What if I ... sleep eight hours a night?
vol. 23 What if I ... eat my veggies?
vol. 24 What if I ... write a haiku every day?
vol. 25 What if I ... reflect on a year of challenges?
