WINNER: 2020 American Association for the Advancement of Science / Subaru Prize in Excellence in Science Books


Bloomsbury - March 26, 2019

Can You Crack the Code?

A Fascinating History of Ciphers and Cryptography

Codes can carry big secrets!

Throughout history, lots of good guys and lots of bad guys have used codes to keep their messages under wraps. This fun and flippable nonfiction features stories of hidden treasures, war-time maneuverings, and contemporary hacking as well as explaining the mechanics behind the codes in accessible and kid friendly forms.

Sidebars call out activities that invite the reader to try their own hand at cracking and crafting their own secret messages.

This is the launch of an exciting new series that invites readers into a STEM topic through compelling historical anecdotes, scientific backup, and DIY projects.


National Geographic Kids - February 5, 2019

Make This!

Building Thinking, and Tinkering Projects for the Amazing Maker in You

Create your maker space with this fun and instructive book, chock-full of hands-on activities and cool experiments to get kids thinking and tinkering.
This book is designed to inspire the next generation of engineers and supports all kinds of kid creators: those who prefer guided instruction, those who prefer to dream up and design objects on their own, and everyone in between. With thoughtful text and bright illustrations, kids get the tools and the know-how to tackle all kinds of exciting projects:

  • Building a kaleidoscope
  • Designing a fidget spinner
  • Planting a rain forest
  • Creating a musical instrument, and more!

Unconventional scenarios inspired by real National Geographic explorers give kids a chance to think outside the box and apply their maker skills to real life.

Ella Loves to Inspire!

Author Visits

Would you like to have a published author visit your school or library? Ella loves talking about books and meeting with young readers! She offers several programs for children of all ages. She's also happy to develop a program to suit your specific needs. Please contact her to inquire about availability.


Ella Loves to Empower!

Speaking Engagements & Panels

As an expert in her field(s), Ella has been invited to lecture and speak on topics as varied as Internet Security, Cryptography, and History. She has taught courses, lectured, and lead clinics for both kids, adults, and everyone in-between.