Yes there is a light novel
The Rising of the Shield Hero Volume 01 https://www.amazon.com/dp/1935548727/ref=cm_sw_r_cp_apa_i_s8A.CbEGVZXVE
I would highly recommend it
Also there is a web novel as well, not as well written but til good reading that current wile waiting for more of the LN
Just for you op.
The Rising of the Shield Hero Volume 01 https://www.amazon.com/dp/1935548727/ref=cm_sw_r_cp_apa_i_sWABCbWWH8NMP
You're welcome, theyre fantastic and I hope you enjoy them.
Amazon.de has the english version of Shield Hero.
If you are having trouble finding them what i would suggest you do is to go to Amazon.com website , find the book and search the ISBN-13 code in Amazon.de website. It will find you the english book.