You don't take enough vacation: the curse of expensive flights

Travel as medicine: How cheap flights lead to happier trips (and more of them)

The flight first method: a better way to search

Flexibility: using it to your advantage (and what to do when you don't have any)

Then and now: a brief history of how airlines determine prices

The golden age of cheap flights: how and why everyone can now afford to fly

Unpredictable and irrational: why airfare is so volatile

The fundamentals: answers to everyday flight-booking questions

Clear your cookies: nine flight-booking myths debunked

Should you take that trip? How to think about overtourism and emissions

The unexpected joys of travel: how to get better at vacationing

Pro tips: advanced flight-booking tactics to maximize your vacation.