please fix information ab this book

[emzara]

The name of the author in original is Heinz Keller, this name here is in transcribed Serbian language, the man is German..so please place the original.

The name of the book is "Rimsko carstvo", this edition is in serbian language,
publisher: Bratstvo-Jedinstvo; year: 1970; page count: 270; hardcover;

im sending u the photo of my copy:
https://ibb.co/GvHLq1y6

also, there is no book publisher site but here is an antique one thats selling it to check the info if needed:
https://www.antikvarijat-biblos.hr/kn...

thanksssssssss