Zemke Deborah. The Curse of Einstein's Pencil

Puffin Books, 2017. — 144 p. — (Bea Garcia 02).Bea's artistic gifts lead to a special new friendship in book two of this funny illustrated chapter book series for fans of Amelia's Notebook and Judy Moody.
Bea Garcia is looking for a new best friend, and she almost has one--the smartest girl in school, Judith Einstein. So when Einstein asks Bea to be her partner in the upcoming school geography contest, Bea is thrilled...at first. Schoolwork comes so easily to Einstein that Bea thinks the secret might be Einstein's special pencil. But when Bea takes Einstein's pencil home, it's not quite what she expected.