Here we present new and rare books online. There are many excellent books, but they are either out of print or no longer published by their respective publishers. This situation allows us, in some cases, to pick up the authors' work for republication and reintroduce it here. In the best case, we recreate the book in our workshop. This does not always succeed at the first attempt, sometimes with great loss of time and sometimes with upstream financial hurdles. We are grateful for help and initiatives in this regard and are always available.