This is my go-to daily prayer book. It always lives in my backpack, and while I wish the book was printed in hardcover or leather cover so it wouldn't get banged up, I find it to be more Biblically centered than Celtic Daily Prayer by the Northumbria community, and just as importantly, far easier to pack around.

Disclaimer: After meeting Ray Simpson, I've become a vowed Explorer (first vows) in the Community of Aidan and Hilda in the US, which is a sister community to the one which Ray leads in the UK. Perhaps I'm biased :-)