Pen Pals

by Beverly Cleary

Like Daisy, Ramona navigates the social minefield of elementary school with earnest enthusiasm that keeps landing her in unexpected situations. Cleary captures that same gentle humor about childhood misconceptions and the gap between what kids think will happen versus reality—Ramona's misadventures have the same warm, slightly embarrassed charm as Daisy's pen pal predicament.

by Jeanne Birdsall

This one's from 2005, so it gives you a different era's take on the same territory Holub was exploring. Four sisters spend a summer navigating friendships, crushes, and the mortifying moments of growing up, but Birdsall writes with a literary warmth that elevates it beyond typical middle-grade fare—there's real emotional depth beneath the humor about misunderstandings and connection.

by Mari Lu Robbins

Here's your genre surprise: it's an adventure-mystery rather than straightforward contemporary fiction, but it shares Pen Pals' DNA of a young protagonist discovering that the world is more interesting than their initial assumptions. Claudia runs away expecting one thing and finds something entirely different—like Daisy's shock at discovering her pen pal's true identity, except the revelation becomes the beginning of something wonderful.

by Barbara Park

Park writes first-grade chaos with the same affectionate humor Holub brings to Daisy's world—Junie B. has strong opinions about how things should be, and reality keeps hilariously disagreeing with her. The voice is slightly younger than Pen Pals, but if you loved the earnest, slightly exasperated tone of Daisy's narration, Park's series has that same infectious energy.

by Katherine Applegate

This is the outlier pick—it's told from a gorilla's perspective rather than a child's, but it operates on the same principle as Pen Pals: preconceptions being challenged by actual connection with someone unexpected. Ivan's journey from dismissing others to genuine friendship mirrors Daisy's arc, and Applegate writes with a quiet emotional intelligence that respects young readers' capacity for real feeling.