It's not all about glamour, glitz and titanium sheen at CES, the technology show held annually in Las Vegas. There are also brickbats to contend with, which are (unofficially) awarded for the Worst in Show offerings.
Here's another candidate book for your coding shelves - Flutter Apprentice, which will help you get to grips with the cross-platform toolkit. It will be available for free for the next three months via the publishers Razeware.