When an individual reading a CHM eBook, maybe beneficial compared to annotate it like annotating a PDF document, but Microsoft only provided a simple viewer posted the this manner of file, it is not to be used to annotate your eBooks. Easy methods to annotate your CHM novels? Maybe there are some CHM author tools should do that, only to find they are too expensive for most of these same and power tools actually are for the ebook authors. You can use license coding also a lot of ask for refund...