Try these although I can't guarantee that any or all of them are still in print.
Glen Barclay - A History
of the Pacific (1978)
Lowell Holmes - Treasured Islands (2001)
Richard Maury - Saga of the Cimba (1939)
Brett Hilder - Navigator in the South Seas (1961)
Jules Dumont D'Urville - Two Voyages to the South Seas (translation by Helen Rosenman (1992)
Also, many of the older books
on cruising (hiscock etc) present some pretty cool snapshots of life in the paciic before the mongol hoards in their Benivarias descended.