My PhD was in an area where we often thought about diffusion of biological molecules, and my boss lent me "Random Walks in Biology", by Howard C Berg [1]. It is

My PhD was in an area where we often thought about diffusion of biological molecules, and my boss lent me "Random Walks in Biology", by Howard C Berg [1]. It is very readable and has just the right amount of maths. Just mentioning in case you find it interesting. PDF copies are probably out there. [1] https://www.amazon.co.uk/Random-Walks-Biology-Howard-Berg/dp/0691000646/ref=asc_df_0691000646/ https://www.amazon.co.uk/Random-Walks-Biology-Howard-Berg/dp...