Okay here's the latest: Izzy is 4 months old, 15 pounds and 24 1/2 inches long! She's pretty much smack dab in the middle of the national average, right on track! Yay, Izzy! You go, girl!

Looking somewhat skeptical...

Hanging out with Pop at Old Town. Wait, is that Starbucks? And so it begins...

Explaining String Theory to mom while looking cute, as usual.

Exhausted by her lengthy explanation and the answering of many questions.

Close-up ready.

Perusing the books at Barnes and Noble.