Contact Us
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K-12 Educational Materials
Hours of Operation 8:00 am to 10:00 pm EST M-F, Saturday 9:00 am to 5:00 pm
Address
Houghton Mifflin Harcourt Pre-K-12
9205 Southpark Center Loop
Orlando, FL 32819
800.225.5425
800.269.5232
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Intervention Solutions (Formerly Scholastic Educational Technology)
Hours of Operation 8:00 am to 7:00 pm EDT Monday-Friday
Address
Houghton Mifflin Harcourt
Intervention Solutions
255 38th St. Suite L
St. Charles, IL 60174 Customer Service: 877.234.7323
800.724.4716
Technical Support: 800.283.5974
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College & University Educational Materials
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Assessment Materials (Riverside Publishing)
Address
Houghton Mifflin Harcourt
Customer Experience Support-Assessments
255 38th Avenue, Suite L
St. Charles, IL 60174 800.323.9540 / 630.467.7000
630.467.7192
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HMHCO.com
Hours of Operation 8:00 am to 10:00 pm EST M-F, Saturday 9:00 am to 5:00 pm
Please do not send credit card data via E-mail
Online: www.hmhco.com 855.969.4642
800.269.5232
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Houghton Mifflin Harcourt International Publishers
Hours of Operation 24 Hours, M-F
Address
Houghton Mifflin Harcourt International
1900 South Batavia Avenue
Geneva, IL 60134Online
For information about our products and services, click below. To place an order, please contact us by phone or e-mail. www.hmhco.com/country/International/hmh-international 630.208.5876
630.208.5886
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The Leadership & Learning Center
Hours of Operation 9:00 am to 5:00 pm EST M-F
Address
Houghton Mifflin Harcourt
9205 Southpark Center Loop
Orlando, FL 32819 888.242.6747
800.567.2714
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Saxon Home School
Hours of Operation 8:00 am to 10:00 pm EST M-F, Saturday 9:00 am to 5:00 pm
Address
Specialized Curriculum Group
9205 Southpark Center Loop
Orlando, FL 32819 800.225.5425
800.269.5232
E-mail
Click
here for order placement
For Questions about Saxon Math Homeschool products, send an email to
Click
here For Inquiries
For questions about a specific Saxon Math Homeschool problem, send an email to
Click
here For Inquiries
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Adult and Children fiction, nonfiction, and reference(Trade)
Hours of Operation 8:00 am to 6:00 pm EST M-F
Address
HMH Trade & Reference
9205 Southpark Center Loop
Orlando, FL 32819Online
www.hmhco.com/at-homeClick here to request a desk or exam copy 800.225.3362
800.634.7568
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Click here for a PDF of our current Fall 2016 Frontlist Order Form