Flashback ( PDFDrive )

—but she highly doubted that was going to happen. Especially since
Young Keefe didn’t seem particularly interested in the symbol. He was
much more focused on whatever was inside—he even held the letter
up to the light and squinted at the note’s silhouette.
“You won’t be able to read it,” his mom told him. “Think of where
you’re going.”
Young Keefe’s eyebrows shot up. “It’s in human?”
“There is no human language—honestly, what is that school
teaching you? Humans insist on dividing themselves into different
groups, which I’ve always found strange. If they united, they’d likely
have progressed much further as a species—but I suppose it’s better
for us that they haven’t. And to answer your question: My letter isn’t
written in the Enlightened Language. So it would be pointless for you
to open it.”
“Then tell me what it says,” Keefe demanded. “Or deliver it
yourself.”
She grabbed his shoulder. “Did I give you the impression that this
was optional?”
The memory shifted speed then, skipping through what looked like
a vicious argument and not slowing until Keefe wrenched his arm free
and stalked away.
But the door he’d been heading for banged shut in his face, as if his
mom had closed it with her telekinesis.
“Fine,” she said through gritted teeth. “That crystal leaps to a city
called London, near a house with a green door. The person who lives
there might be useful—we’ll see. That’s why I need you to slide this
letter through the metal slot on the door and then leave without being
seen. You should be gone less than five minutes—but I’ll give you ten,