- How to Talk to Your Child about Sex (Jessica Kingsley, 2023)
- Understanding Your Teen’s Brain (Jessica Kingsley, 2021)
- Boys: A User’s Guide (Jessica Kingsley, 2020)
- Girls: A User’s Guide (Jessica Kingsley, 2019)
- The Complete Guide to Parenting Teenagers, 3rd edition (Collins, 2022)
- The Toddler Years: A Survival Guide (Collins, 2019)
- The Baby Years: A Survival Guide (Collins, 2017)
- The Teenage Brain (Icon, 2017)
- The Very Naughty Boys (Quercus, 2015)
- It’s A Girl Thing: How To Understand and Raise Preteen and Teenage Girls (Quercus, 2015)
- It’s A Boy Thing: How To Understand and Raise Preteen and Teenage Boys (Quercus, 2014)
- The Very Naughtiest Boys (Quercus, 2013)
- The Boys Club (Quercus, 2013)
- All about Boys: Surviving the Teenage Years and Beyond (Quercus, 2012)
- All about Families: Surviving Life with Babies and Children (Quercus, 2011)
- The Complete Guide to Parenting Teenagers, 2nd edition (Collins, 2009)
Contributor:
- “A Guide to Modern Fatherhood” (Piatkus, 2022)
- “The Parents’ Guide to the Teenage Brain” (DK, 2019)
- “The Rough Guide to Babies” (Rough Guides, 2019)
- “The Rough Guide to Toddlers” (Rough Guides, 2017)
- “The Rough Guide to Preschoolers” (Rough Guides, 2016)
- “How to Raise Emotionally Healthy Kids: A Practical Guide” (Piatkus, 2016)
- “How to Raise Confident and Resilient kids” (Piatkus, 2015)