They perform some more magic tests and run out of mana and recover mana and perform more tests and a second sleepover could be fun but it's decided that people can do coordinated tests in their own places and there is not actually a need for them to all be in the same place. The Maxwells' driver takes Jess home (and Maya, too, if she prefers that to staying with the Maxwells but they assure her she's welcome to stay there), then takes Sadde, Theo, and Tyler to the Farron residence, where Sadde prefers to be dropped—he'll go to his place by public transportation, he'd like to talk to the—twins?—yes, thank you, it was a pleasure meeting you.
William coughs a little. "I will see you later, then," he says. "And see if I have magic again then or not."
"I meant spotting them on a map if we can do that, since we can do 'strong feeling of where', so maybe we can do that with representations of locations."
"Right, and I mean that if we succeed I am not going to be able to keep myself from actually going after them and that'd take a lot of time so I'd rather not have the option for now."
"Okay, so, try something useful like… invisibility? By calling upon something not-Shadow this time, or calling upon the concept and not the card?"
"I was thinking we could continue working on the thing we discovered earlier, about charging up scrolls."
So they spend the rest of the evening doing experiments, and eventually switch to studying, and at some point Sadde has to go home.
"He has your face so like I'm sure there's spillover attraction for you there, but he's different."