75 Simple Pleasures to Brighten Your Day is exactly what it says it is. Nothing earth-shattering, but just things that are easy to take for granted, such as "having a picnic," clearing your desk, and "seeing your debt shrink" (a particularly good one, we think).

And if you want to feel even more upbeat, check out this list of easy, fun things to make yourself happy at work (sorry, "take a nap" doesn't appear).