Collaboration Begins With YOU!
A self-help book by Paul Erdős on lowering your Erdős number.
Use this cartoon
Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2016-01-27-collaboration-begins-with-you/ (CC BY-NC 4.0)Transcript
[Book cover] "Collaboration Begins With YOU! How to Lower Your Erdős Number in Just 6 Weeks, by Paul Erdős"