There probably isn't a Maori translation because Barry is an English name ( of Irish origins). But there might be a transliteration.
The Maori translation for book is "pukapuka."
wharehokohoko
kuini
Hapani.
The Maori translation for "boy" is "tama."
Miraka
koiora
Yes, you can use websites like Google Translate or Maori Dictionary for Maori sentence translation. These websites can provide you with translation of words and sentences from English to Maori and vice versa.
The Maori translation of the word 'unique' is 'nohinohi'.
the?
Barry Mitcalfe has written: 'Salvation Jones' 'Maori' -- subject(s): Maori (New Zealand people) 'Harvestman' 'Northland, New Zealand' -- subject(s): History 'Maori poetry' -- subject(s): History and criticism, Maori (New Zealand people), Maori Songs, Music
"Ngā hoa ataahua" is Maori for "beautiful friends."