by Steve Portigal
Interviewing is a critical part of user research and it’s a skill all researchers need to master early on. Not only does this book give you great tips to improve your interviewing technique, but it tackles the complexity of interviewing, from how to approach the problem to making sense of the data. This is one of my favourites, and a must read for those new to research but a good reference and refresher for those already in the field.

by Jim Kalbach
With its clear and through introduction, this book is recommended for those new to JTBD. It offers a comprehensive take on where and when JTBD is most useful, the steps involved in the process, clear examples of what is right or wrong, tips/tricks for doing it faster, and more.

by Erika Hall
This is a terrific entry level introduction to user research that will get you up to speed to the most common research approaches quickly. It provides a thorough and succinct guide to different methods of UX research including the basics of process, competitive research, evaluative research, and generative methods.

by Liz Sanders and Pieter Jan Stappers
For intermediate UX researchers who are ready to build their research skills, this e-book introduces different methods and for conducting generative research, which brings the people we serve into the design process to ensure we meet their needs through participatory, human-centered design thinking and co-creation practices.

by Jeffrey Rubin and Dana Chisnell
Providing junior UX researchers with fundamental knowledge, this thick text book covers the end-to-end processes of conducting usability testing, which is still the workhorse of user research.