Twins Josie and Josh are stumped about what to get their mother for her birthday. Big brother Josh helps them learn how to brainstorm and use a decision tree to find their best solution. Josie gets all excited when she realizes she can use a decision tree for all kinds of problems. Even their mother is intrigued by the process.

Carol Clifton is a licensed psychologist in the Portland, Ore.-area. She has been treating trauma, depression, anxiety and working with couples for 30 years. Prior to becoming a psychologist, Clifton worked in magazine publishing and public relations with the National Safety Council, and in book publishing and advertising with NavPress. While at NavPress, she began working at a half-way house for troubled teens as a volunteer and then as a staff person.