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Help
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
* Dorothy Canfield Fisher Children's Book Award *In this awardwinning story, two classmates set out to create affordable toothpaste and become accidental millionaires!Sixthgrader Rufus Mayflower is betting that he can make a whole gallon of toothpaste for the same price as one tube from the store. Theres just one problem, he has to solve reallife mathematical equations first! With help from his good friend Kate Mackinstrey, can these two entrepreneurs keep up with the high demand for their popular product? Beloved childrens author Jean Merrill introduces readers to the ins and outs of a budding business, from costs to profits, in this exciting tale about perseverance, ingenuity, and underdogs.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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support@ergodebooks.com
⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.