Every Earthling should understand the Earth's place in the universe and appreciate the relationship between the self and the cosmos. We love and are loved on this tiny Earth, and we also comprehend life in the grand universe. This book seamlessly integrates scientific knowledge into lively and fascinating stories, conveying a unique scientific romance, telling children that their small hearts can hold the entire universe, and they should pursue the poetry of flight and the vast distances.
— Chen Qiufan (winner of the Global Chinese Science Fiction Nebula Award, China Science Fiction Galaxy Award, and Vice Chairman of the China Science Popularization Association)

The "Alien Diary" series, with its vibrant language and detailed settings, transports readers to unique alien worlds such as the Moon, Venus, and Mars, where they can experience the fascinating extraterrestrial life alongside the alien protagonists. The story presents the space truths of different planets through a childlike perspective, combining fun and scientific popularization, making it suitable for middle and lower-grade students and children who are curious about the universe.
— Zhao Haihong (winner of the China Science Fiction Galaxy Award and the National Outstanding Children's Literature Award)

When we look up at the stars, we always like to view the changes of the stars from the perspective of onlookers. The universe can be understood in more than one way. This book introduces the special environmental characteristics of different planets through the "real" diaries of alien children living on different planets, writing scientific knowledge in an innocent and playful language, bringing us closer to the distant stars, broadening our horizons, and elevating our perspectives.
— Tang Haiming (Director of the Sheshan Science Popularization Education Base of Shanghai Astronomical Observatory, Secretary-General of the Shanghai Astronomical Society)

★ Over 550,000 copies sold! Rave reviews across the board—with a stellar Douban rating of 8.6!
★ Endorsed by dozens of leading experts, including Chen Qiufan, winner of the Global Chinese Nebula Award for Science Fiction, and Zhao Haihong, recipient of the Galaxy Award for Chinese Science Fiction!
★ Told through the first-person diary entries of an extraterrestrial child, this book unfolds charming tales of life on the seven planets of our solar system and the Moon. Blending science education with fairy-tale whimsy, it functions both as a work of speculative fiction and as a bridge book for early readers transitioning into independent reading.
★ Grounded in rigorous scientific facts yet brimming with boundless cosmic imagination—each planet is explored in its own dedicated chapter, weaving romantic wonder and awe-inspiring space adventures firmly rooted in real astronomy. Perfectly aligned with the global STEM education philosophy of "learning science through joy and curiosity".
★ Includes bonus digital audio lessons, a planetary passport, and collectible emoji badges or fridge magnets—inviting young readers to discover more truths about our universe!
★ English translation samples available.

This series includes 9 titles:
"Is the Holey Planet Exposed? (The Moon)"
"Escape from Black King Kong Planet (Venus)"
"Vacation on the Tourism Planet (Mars)"
"Celebrate the New Year on the Quick-Footed Planet (Mercury)"
"The Drifting Chronicles of Weather Planet (Jupiter)"
"Visitors to the Halo Planet (Saturn)"
"The Space Detective of the Lying-Down Planet (Uranus)"
"The Wandering Plan of the Whirlwind Planet (Neptune)"
"The Billion-Year Memoirs of the Sun Planet (The Sun)"

The "Alien Diary" series, through the diary of a character named Scissors Rock Paper (Shitoubujian), records the life of him and his family and friends on the planet known as "Dongdong" (Hole-Hole). It turns out that the Dongdong planet is what Earthlings call the "Moon". Scissors Rock Paper introduces the characteristics of the names of the Dongdongians, their catchphrases, sports events, and more. At the same time, out of curiosity about Earth, he also forms an Earth Detective Team with other planetary friends. On the way to the Black King Kong planet (Venus) for a costume party, his father accidentally throws his diary out of the spaceship along with the garbage. Will Dongdong planet be exposed as a result? What will Scissors Rock Paper do?

Lu Shan

On Earth, she is an editor at a publishing house, a graduate of the Institute of Children's Culture at Zhejiang Normal University, and loves to write stories for Earth's children; in the universe, she is a space travel enthusiast with 1‰ alien genes in her body, leisurely traveling around the solar system, occasionally being playful, and even throwing the "Alien Diary" series she collected onto Earth...

Keeping Diaries Like Earthlings
Why is it Called the Holey Planet?
Meteorites and Meteorite Fragments, Same Substance but Different Fate
What Do Holey Planetarians Look Like?
The True Identity of the Earth Expert Mom
The Ever-Changing School Uniforms of the Holey Planet Universe Elementary School
The Intense Holey Planet Sports Day
This Guy Named Si Has Been to the Holey Planet!
Have We Been Exposed?
The Past and Present of the Earth Detective Team
Who Dares to Eat the Holey Planet?
The Miners from Earth
Welcome to the Holey Planet
Board the Holey Spaceship with Your Planetary Passport
Setting Off for Black King Kong
The Holey Planet Dream God
The Spaceship Passes Over Earth
My First Intimate Encounter with Earth
Scientists Meet Space Diaries
Postscript to the Creation: Writing Curiosity into the Universe