Bee Ostrowsky

“Don't be afraid to make corrections! Whether the voice came from her memory or was a last whisper from the blinding new star far above, Nita never knew. But she knew what to do. While Kit was still on the first part of the name she pulled out her pen, her best pen that Fred had saved and changed. She clicked it open. The metal still tingled against her skin, the ink at the point still glittered oddly- the same glitter as the ink with which the bright Book was written. Nita bent quickly over the Book and with the pen, in lines of light, drew from the final circle an arrow pointing up-ward, the way out, the symbol that said change could happen- if, only if-”
― Diane Duane, So You Want to Be a Wizard