I have read that the 2024 Germany guidebook will not be available until after January 1,, 2024. Is there any way to pre-order copies?
According to this page, the next version won't be out till summer 2025.
https://store.ricksteves.com/shop/p/germany-guidebook
Click on Product Details
The "Best of Germany" book has a publication date of January 9, 2024. It can be preordered on Amazon. https://a.co/d/58Eh6Gv