If you were drawn to Podkayne's navigation of her ambitions and values amid family and societal pressures, you'll appreciate The Diary of Pelly D. It follows Toni V, a teen who finds the diary of Pelly D and, through her voice, embarks on a journey of understanding himself and his world. The coming-of-age elements and the struggle to find one's place in a changing society will resonate with Podkayne's own growth and challenges.

If you enjoyed Podkayne's determination to see Mars and her active role in steering her destiny, Have Space Suit—Will Travel will be right up your alley. Kip Russell's quest to win a trip to the Moon leads to even grander adventures, and his steadfast pursuit of his objectives drives the story forward with the same energetic momentum.

If you admired Podkayne's intelligence and resolve as she navigated a male-dominated future, you'll love A Door Into Ocean. This novel centers on the Sharers, a society of women on the planet Shora who embody strength, resourcefulness, and leadership, offering rich character depth and social commentary reminiscent of Podkayne's challenges.

If the detailed depiction of Mars and interplanetary society in Podkayne of Mars fascinated you, The Dispossessed will immerse you in the contrasting worlds of Anarres and Urras. Le Guin's exploration of alien cultures, political systems, and social norms is as vivid and thought-provoking as Heinlein's Martian settings.

If you appreciated Podkayne's witty narration and the light, humorous touch Heinlein brings to her adventures, you'll love Gratuity 'Tip' Tucci's voice in The True Meaning of Smekday. Tip's journey across an invaded Earth is filled with clever humor, sharp commentary, and heartfelt moments, echoing the charm and wit that made Podkayne's perspective so engaging.