there is a version for English called "English Grammar In Use" it was very helpful.
I look for same one but to learn Deutsch.
If anyone has some info please tell me
I haven't found serious free offline material for self studying so far, but I keep on searching.
In the meantime two online ressources can help you on:
I have found a German grammar in English at last.
Please let me know your personal e-mail adress for it's a private exemplar, I will share this one only to respect copyright. I do own no other copy.
The book is in epub-format, so you need an ebook-reader software to use it.
See a brief survey of apps here: tinyurl.com/zwcn7tk
Hi Jan, can you please send it to me also? firstname.lastname@example.org