It always amazes me that people find time to write tech books whilst having a full time job. So given the effort I know it will have been, it is great to see an update to Tarun Arora and Utkarsh Sigihalli’s book ‘Azure DevOps Server 2019 Cookbook’. 
I do like their format of ‘recipes’ that walk through common requirements. I find it particularly interesting that for virtually each recipes there is an associated Azure DevOps Extension that enhances the experience. It speaks well of the research the authors have done and the richness and variety of the 3rd party extensions in the Azure DevOps Marketplaces I think because of this format there is something in this book for everyone, whether new to Azure DevOps Server 2019 or someone who has been around the product since the days of TFS 2005. In my opinion, it is well worth having a copy on your shelf, whether physical or virtual