We've only just begun

A neat little puzzle by Alison Donald to kick off the week. Nothing too challenging about it.

Classic Charles Darwin work -"originofspecies"
What the love of money is, they say - "rootofallevil"
The Big Bang, to a physicist - "beginningottime"

Things to know:

Sinn Féin - means "ourselves" or "we ourselves" has been applied to a series of political movements since 1905 in Ireland.
Santa Isabel - Soloman Island Island
Bromo - stomach seltzer
Knit and Purl - stitching method