This is in essence an advanced GeoGebra manual, focusing on building high quality GG applets, suitable for bigger projects like textbook production etc. The aim is to show a large sampling of useful, tips, tricks and techniques that you can learn in order to level up your GeoGebra skills. It is produced by the Swedish GeoGebra Institute and we welcome contributions.
If you wish to contribute to this book, then please send me an email at jonas.hall@norrtalje.se and I will make you a member of the editorial group.