Gil Raviv

Gil Raviv, Collect, Combine and Transform Data Using Power Query in Excel and Power BI (Pearson Education, 2019)

Ken Puls and Miguel Escobar

M is for Data Monkey (A Practical Guide to Conquer Power Query & the M Language) (Holy Marco! Books, 2015)

Ken Puls and Miguel Escobar

Magic Tricks for Data Wizards (Power Query Academy, 2015)

Christopher Webb

Power Query for Power BI and Excel (Apress, 2014)