Another book - highly recommended

The How of Happiness - Sonja Lyubomisrsky.  This is a 'how to' book as it says on the cover and it delivers what it promises.

She is a psychology professor and writes well.  Scientific basis is excellent and provides multiple approaches.

Well worth a read.

Good book

Zimbardo, the famous psychologist of the Stanford prison experiment has written on the psychology of Time.

The Time Paradox.  Really good and useful.

Good speaking podcast

The Public Speaker's Quick and Dirty Tips for improving your communication skills.

Good short podcasts.

Recommended.