Brother Death

Steve Perry

Bookshop

If you liked Brother Death by Steve Perry,
here are some books like this:

Mutineers' Moon (Dahak Series)

David Weber

Bookshop

March to the Stars

David Weber, John Ringo

Bookshop

The Stainless Steel Rat Is Born (Sphere Science Fiction)

Harry Harrison

Bookshop

The Stainless Steel Rat wants you!

Harry Harrison, Paul Lehr

Bookshop

Barrayar

Lois McMaster Bujold

Bookshop

Phule's Company (Phule's Company)

Robert Asprin

Bookshop

Cetaganda

Lois Bujold McMaster

Bookshop

Borders of Infinity

Lois McMaster Bujold

Bookshop

God Emperor of Dune

Frank Herbert

Bookshop

Assassin's Quest (Farseer S )

Robin Hobb

Bookshop