All technical and customer support for Riverdeep, CornerStone, SkillsBank, and SkillsTutor is now provided by:

Houghton Mifflin Learning Technology
http://hmlt.hmco.com/

222 Berkeley Street
Boston, MA 02116
Tel: 617-351-5000

Customer Support Inquiries
For information or questions about:
Status of your order
School Product Returns
E-mail: schoolcustomerservice@riverdeep.net
Monday – Friday 9:00 am - 5:00pm EST.
Tel: 800.825.4420
Fax: 866.627.1403

Product Support Inquiries:
E-mail: hmlt_support@hmco.com
Monday – Friday 7:00 am - 6:00pm CST
Tel: 888.327.2906
Visit http://support.hmlt.hmco.com
for online support resources.