Best-selling books by Houghton Mifflin Harcourt include a cookbook, The Whole 30: The 30-Day Guide to Total Health and Food by Melissa Hartwig and Dallas Hartwig. Other bestsellers include the Curious George series by H.A. Rey and Margaret Rey, and What If? by Randall Munroe.
The Whole 30 is a cookbook meant to aid in wholesome eating with the avoidance of processed foods. Melissa and Dallas Hartwig are sports nutritionists, and this is their second title working together. Curious George is a classic children's book series. The authors, husband and wife, have written seven books in the original series. What If? is a non-fiction book meant to answer the questions from fans of Munroe's Web comic, "xkcd."
Houghton Mifflin Harcourt is a publishing house that produces books that cater to young students, provide educational materials, and teach English reading skills and math. Journeys is a textbook series meant to teach students from grades 1-4. The company also publishes fiction and non-fiction books for both young adults and adults. Houghton Mifflin Harcourt is known for two of its award winning series: Curious George and Go Math! The company is located in Boston and was founded in 1880 under the name Houghton, Mifflin, and Company.