Colexi book library

Books you can read and listen to at your level.

Browse the collections behind the Colexi reading experience: practical Life Readers, topic-based Knowledge Readers, graded stories, and literature prepared for focused reading with audio and translation support.

Cover artwork for A Hotter World: Climate Change, Daily Life, and the Future We Choose
Cover artwork for Atoms for the Grid: The Rise, Fall, and Return of Nuclear Power
Cover artwork for The Ninth Container
Cover artwork for The Printer's Oath
Cover artwork for Anna Starts a New Job
Cover artwork for Camila Finds a Place to Rent
Cover artwork for A Room with a View
Cover artwork for Around the World in Eighty Days

155

Active books

4

Collections

Audio

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Choose the kind of reading you need today.

Learn real topics

Knowledge Readers

Short nonfiction, debates, biographies, and simple guides built for learning from the world while you read.

Good for
Curious learners who want useful vocabulary from science, history, culture, technology, and ideas.
Inside
Reading packs, standalone guides, debates, dialogues, and topic-based series.
128 books

Story-first fluency

Graded Stories

Original story series written with controlled difficulty, recurring characters, and language that stretches without overwhelming.

Good for
Learners who want momentum, plot, and repeat exposure to natural sentence patterns at their level.
Inside
Mysteries, dramas, romances, thrillers, and chapter-based series for intermediate and advanced readers.
8 books

Practical situations

Life Readers

Everyday readers about work, housing, appointments, plans, and small adult-life moments that language classes often skip.

Good for
Learners who need confidence for practical conversations and real tasks in a new language.
Inside
Situation series, useful phrases in context, dialogue-heavy chapters, and simple problem-solving stories.
3 books

Classic reading

Literature

Public-domain classics and longer literary works prepared for focused reading with translation and audio support.

Good for
Confident readers who want richer prose, cultural depth, and a slower, more ambitious reading habit.
Inside
Classic novels, literary excerpts, and advanced reading material for learners ready for more texture.
16 books