Latchkey
or, How Tim Drake Found A Family, Became A Photojournalist, Learned To Love Coffee, and Grew Up, not necessarily in that order.
Tim Drake is thirteen, runs the famous BatWatch blog that has spiraled hilariously out of control, has absentee parents that suit his purposes just fine, is training himself to run the streets at night, and is doing absolutely peachy, thank you.
Alfred and Jason disagree, and get Dick and Bruce involved in figuring out their weird nextdoor neighbor kid’s life. Everything goes uphill from there.