Attached files

file filename
10-K - 10-K - Houghton Mifflin Harcourt Cod691188d10k.htm
EX-10.28 - EX-10.28 - Houghton Mifflin Harcourt Cod691188dex1028.htm
EX-31.1 - EX-31.1 - Houghton Mifflin Harcourt Cod691188dex311.htm
EX-31.2 - EX-31.2 - Houghton Mifflin Harcourt Cod691188dex312.htm
EX-23.1 - EX-23.1 - Houghton Mifflin Harcourt Cod691188dex231.htm
EX-32.2 - EX-32.2 - Houghton Mifflin Harcourt Cod691188dex322.htm
EX-32.1 - EX-32.1 - Houghton Mifflin Harcourt Cod691188dex321.htm
EX-10.30 - EX-10.30 - Houghton Mifflin Harcourt Cod691188dex1030.htm
EX-10.29 - EX-10.29 - Houghton Mifflin Harcourt Cod691188dex1029.htm

Exhibit 21.1

Houghton Mifflin Harcourt Company Subsidiaries

Choice Solutions, Inc.

Greenwood Publishing Group, Inc.

HMH Intermediate Holdings (Delaware), LLC

HMH IP Company

HMH Publishers LLC

HMH Publishing Company

HMH Publishing Company (IOM) Unlimited

Houghton Mifflin Company International, Inc.

Houghton Mifflin Harcourt (Asia) Pte. Ltd.

Houghton Mifflin Harcourt Publishers, Inc.

Houghton Mifflin Harcourt Publishing Company

Houghton Mifflin PLC

The Riverside Publishing Company

Tribal Nova, Inc.