The following links are listed to provide you with additional resources for stepfamilies and blended families.

The Stepfamily Handbook: From Dating to Getting Serious, to Forming a “Blended Family” by Karen S. Bonnell & Patricia L. Papernow
Surviving and Thriving in Stepfamily Relationships: What Works and What Doesn’t by Patricia L. Papernow

Some Normal Stepfamily Issues:

Excellent hour-long talk on stepfamily challenges

22-minute public lecture for stepfamily members

Parenting and Stepparenting Are Different

the Stepfamily Experience for Kids