Following Baxter

"Elven-year-old Jordie Marie Wallace has been waiting for someone to move in next door, so she is thrilled when Professor Reese arrives: she has a laboratory in her basement an extraordinary dog named Baxter -- who seems to understand everything Jordie says. Jordie and her younger brother, TJ, begin walking Baxter and helping Professor Reese in the lab. But being lab assistants end up being more than Jordie and TJ bargained for and leads them to a secret neither of them expected. When Professor Reese goes missing it is up to Jordie and TJ to their smarts and Baxter's magical powers to find her"--Jacket flap.