Geeks and the Holy Grail (Camelot Code #2), by Mari Mancusi, for Timeslip Tuesday

The first book in the Camelot Code series, The Once and Future Geek , mixed time travel between the medieval world of King Arthur and our own, and it is a very entertaining book. The second book in the series, Geeks and Holy Grail (Hyperion, October 2019), is also entertaining (though not quite as funny; King Arthur as a modern day high school student is hard to beat....). When Morgana, sworn enemy of King Arthur, attacks the druids of Avalon, Nimue, the youngest of them, takes the Holy Grail and runs with it. King Arthur is dying, and only the Grail can save him. Desperate to keep it from falling into Morgana's hands, she stumbles into Merlin's Crystal Cave. But instead of Merlin there to help her (he's on vacation in Los Vegas, in our time), there's only his very inexperienced apprentice, Emrys. His attempt to hide the grail works, in a sense--as a small, flatulent dragon, it sure doesn't look much like a grail. But it isn't much use to Arthur as a...