You and your wife sound just wonderful and like people I'd love to meet!

Well there's A LOT of Doctor Who merchandise on Amazon - some awesome Tardis one piece pajamas, a disappearing Tardis mug, a life size Tardis cardboard standup (that I bet the kids will love too) or a Tardis double duvet cover set for the both of you to sleep in.

If she loves cooking, maybe she'll like Cooking for Geeks or the obviously funnier Fifty Shades of Chicken or oh oh oh I just remembered Tequila Mockingbird: Cocktails with a Literary Twist since she also loves reading that has cocktail recipes like CRIME AND PUNISH-MINT.

There's also a pretty cool Tardis wristwatch on Amazon that would arrive before Christmas.

Hope this will give you a few ideas!