50 Ideas You Really Need to Know (2008–2013)
- 50 Management Ideas You Really Need To Know (2008)
- 50 Mathematical Ideas You Really Need to Know (2008)
- 50 Physics Ideas You Really Need to Know (2008)
- 50 Big Ideas You Really Need to Know (2009)
- 50 Economics Ideas You Really Need to Know (2009)
- 50 Political Ideas You Really Need to Know (2011)
- Earth (2012)
- The Future (2012)
- 50 Philosophy of Science Ideas You Really Need to Know (2013)