There are many people looking for introduction into genomics and NGS applications. One of the books I found to be extremely useful is Genomic Quirks (https://www.amazon.com/Genomic-Quirks-Search-Spelling-Errors...). This book explains genomic concepts with several case studies.

Here is a video by the author - https://www.youtube.com/watch?v=BfVo8EkeDVI