Does anyone know if there is any textbook or monograph on SL(n, Z) or GL(n, Z)? I'm mostly intere...

Does anyone know if there is any textbook or monograph on SL(n, Z) or GL(n, Z)? I'm mostly interested in number theory-related properties, but searching for keywords such as "special linear group (over) intergers" and "unimodular groups" turned out futile.