Causal Inference: The Mixtape

Author:  Scott Cunningham

Publisher: Yale University Press

Year: 2021

Online Version:  https://mixtape.scunning.com/ (click here for introduction)

The Effect: An Introduction to Research Design and Causality

Author:  Nick C. Huntington-Klein

Publisher: Chapman & Hall

Year: To be announced

Online Version:  https://www.theeffectbook.net/