For more about Guadeloupe including some great photos, check out the guest post I wrote for the Lou Messugo Blog.
Guadeloupe: The Caribbean Butterfly.
Note: Guadeloupe is an overseas French department, and up until 2015, 90% of its tourists were from mainland France. This means that French is the official language and English is not widely spoken. To make the most of your trip, I recommend that you learn some French.