Description FROM THE MEGA BESTSELLING GRAPHIC NOVEL SERIES Tackle tricky cases in this solve-along Investigators adventure, along with everyone's favorite sleuths Mango and Brash ! Special agents Mango and Brash are back again, and this time they.ll be asking their readers for help in cracking the case! The gators have been given a brand new add-on for their V.E.S.T.s to help with gathering evidence and making sense of clues . the G.R.I.D. (Gator Reasoning, Inquiry, Deduction) . and with that powerful tool in hand, kids can follow along as they solve six brand-new mysteries! Featuring plenty of familiar faces from investigations past, as well as a few brand new suspects, Mango and Brash and YOU (the reader) will get to the bottom of cases big and small!