Elizabeth Blair

Let's face it. When you're a kid, sometimes adults can be a real drag. The new Captain Underpants book puts it this way: "Did you ever notice how grown-ups hate it when kids are having fun?"

For many, the stakes and the scale of World War II are hard to fathom. It was a war fought around the world, against powerful, determined regimes in Europe and the Pacific; some 65 million people died. And as the number of people who have actual memories of the war dwindle — as of next year, there will be fewer than 1 million living veterans — the mission of the National World War II Museum in New Orleans becomes all the more urgent.

There was so much great stuff in arts and entertainment this year that we just couldn't report on all of it as it was happening. So we're playing a little catch-up on the ones that got by us.

In 2012, the BBC delivered some thrilling new TV dramas to its two primary outlets in the U.S.: PBS, which has been programming its shows for decades, and the cable channel BBC America.

Etsy has gotten very big, very fast. This year, sales are at about $800 million.

"Their growth on all the major metrics you want to look at has accelerated really consistently," says journalist Rob Walker.

Walker recently wrote a story for Wired Magazine with the headline, "Can Etsy Go Pro Without Losing Its Soul?" Here's why: Etsy makes money from its sellers: 20 cents every time they list an item and 3.5 percent of every sale. Today, there are some 800,000 sellers.