Start with high-confidence siblings books, then narrow by subgenre or adjacent topics.
What to Expect When Mommy's Having a Baby
Heidi Murkoff
Brothers
Alex van Halen
Friedel and Gina
Jeremy Dronfield
Mad House
Clea Simon
Keep the Siblings Lose the Rivalry
Todd Cartmell
The Normal One
Jeanne Safer, Ph.D.
The Family Dynamic
Susan Dominus
Welcome to the Big Kids Club
Chelsea Clinton
Oh Brother
Georgina Chadderton
The Kelce Brothers: a Little Golden Book Biography
Apple Jordan
Surviving the Death of a Sibling
T.J. Wray
The New Baby
Fred Rogers
What's in There?
Robie H. Harris
Nine Months
Miranda Paul
Smile, Sisters, and Guts: the Box Set
Raina Telgemeier
Siblings
James J. Crist, Elizabeth Verdick
Special Brothers and Sisters
Annette Hames, Monica McCaffrey
