Roger "G3XBM" has now published a book titled "G3XBM Project Scrapbook".
It takes you through his historic years of homebrew construction and operating to present day. To include portable operating, Antennas, LF, HF, VHF, Fredbox and Sixbox designs with full circuit info, even stuff that never got built etc etc.
All Roger's designs, are not over engineered, and very simple to understand and build.
It is a FREE download here:https://tinyurl.com/y56vjhd6
If you feel this has been of good use after reading, you can always support him with a coffee or two here:https://ko-fi.com/rogerg3xbm