Out of This World
1. Max on Earth (1986)
2. Max in Love (1986)
3. Max on Fire (1986)
4. Max Flips Out (1986)
5. Max Goes Bad (1986)
6. Max All Over (1989)

Sisters
1. Phoebe (1987)
2. Daphne (1987)
Cassie (1987)
Lydia (1987)

Camp Sunnyside Friends
1. No Boys Allowed (1989)
2. Cabin Six Plays Cupid (1989)
3. Color War (1989)
4. New Girl in Cabin Six (1989)
5. Looking for Trouble (1989)
6. Katie Steals the Show (1990)
7. Witch in Cabin 6 (1990)
8. Too Many Counselors (1990)
9. New and Improved Sarah (1990)
10. Erin and the Movie Star (1991)
11. The Problem With Parents (1991)
12. Tennis Trap (1991)
13. Big Sister Blues (1991)
14. Megan's Ghost (1991)
15. Christmas Break (1990)
16. Happily Ever After (1992)
17. Camp Spaghetti (1992)
18. Balancing Act (1992)

Three of a Kind
1. With Friends Like These, Who Needs Enemies (1990)
2. Home's a Nice Place to Visit, but I Wouldn't Want to Live There (1990)
3. Will the Real Becka Morgan Please Stand Up? (1990)
4. Two's Company, Four's a Crowd (1991)
5. Cat Morgan, Working Girl (1991)
6. 101 Ways to Win Homecoming Queen (1991)

Disney's The Little Mermaid
Reflections of Arsulu (1992)
The Same Old Song (1992)
Green-Eyed Pearl / Nefazia Visits the Palace / Reflections of Arsulu / The Same Old Song (omnibus) (1993) (with Fred Marvin and Suzanne Weyn)

Changes Romance
4. Runaway (1992)
8. Choose Me (1992)

Video High
1. Modern Love (1994)
2. The High Life (1994)
3. Date Is a Four-Letter Word (1994)
4. The Body Beautiful (1994)
5. The Colors of the Heart (1994)
6. Checking Out (1994)
7. Groupies (1995)
8. Secrets and Lies (1995)
9. French Kisses (1995)

After School Club
1. Jill's Happy Un-Birthday (1997)
2. A Valentine's Day Surprise (1997)
3. Teammates (1997)

Double Click Cafe
1. Cyber Kiss (1997)
2. Love Bytes (1997)

Last on Earth
1. The Vanishing (1998)
2. The Convergence (1998)
3. The Return (1998)

Replica
1. Amy, Number Seven (1998)
2. Pursuing Amy (1998)
3. Another Amy (1998)
4. Perfect Girls (1999)
5. Secret Clique (1999)
6. And the Two Shall Meet (1999)
7. The Best of the Best (1999)
8. Mystery Mother (1999)
9. The Fever (1999)
10. Ice Cold (2000)
11. Lucky Thirteen (2000)
12. In Search of Andy (2000)
13. The Substitute (2000)
14. The Beginning (2000)
15. Transformation (2000)
16. Happy Birthday, Dear Amy (2001)
17. Missing Pieces (2001)
18. Return of the Perfect Girls (2001)
19. Dreamcrusher (2001)
20. Like Father Like Son (2001)
21. Virtual Amy (2001)
22. All About Andy (2002)
23. War of the Clones (2002)
24. Amy, on Her Own (2002)

Replica : The Plague Trilogy
1. Rewind (2002)
2. Play (2002)
3. Fast Forward (2002)

Gifted
1. Out of Sight, Out of Mind (2009)
2. Better Late Than Never (2009)
3. Here Today, Gone Tomorrow (2009)
4. Finders Keepers (2010)
5. Now You See Me (2010)
6. Speak No Evil (2010)
Gifted Books 1 and 2 (omnibus) (2010)
Gifted Books 1-3 (omnibus) (2012)
Gifted Books 4-6 (omnibus) (2012)

Ticket to Love
1. Ticket to Love (2012)
2. White Lies and Tiaras (2012)

Films, Young People, and Libraries (1984)
Celebrating Children's Books: Essays on Children's Literature in Honor of Zena Sutherland (1986) (with Betsy Hearne)