Read the biography of Don Juan de Onate, but more than colonialists it was an empire builder. More towards adventure there are several books on Spanish exploration of the new world and how they contacted and approached native populations and the several constant fights, missunderstanding, exchanges, etc a good examples for that would be some biography from Juan Sebastian ElCano or Magallanes.

If you are just intereste din community building the experiences of the jesuits in america is what you are looking for. Their work was invaluable founding cities, communities, and creating bridges between natives and Europeans as well as teaching natives European arts, culture, technology, etc.