Portuguese

Book Title

by , simplified by Catherine Thief

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B1 for English-speaking learners
Side glossary
In-book and online exercises
Flashcards for each chapter
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Imagine reading “The Adventures of Sherlock Holmes” in Portuguese – and understanding every page

“The Adventures of Sherlock Holmes” (in Portuguese: “As Aventuras de Sherlock Holmes”, orig. Adventures of Sherlock Holmes) by Arthur Conan Doyle – is a complete, engaging story specially adapted for the B1 (intermediate) level. You don't need to know every word. You'll understand 95% of the text immediately, and every new word is explained in the margin. You simply read – and learn naturally.

What is this book about?

  • Introduces the eccentric detective Sherlock Holmes and his loyal companion Dr. Watson.
  • They confront a myriad of baffling cases from their Baker Street flat, showcasing human cunning and desperation.
  • Holmes uses unparalleled observation and deductive reasoning to solve cases, often outwitting Scotland Yard and exposing Victorian society's darkest secrets.

Why does this work better than apps and textbooks?

Our books are based on the Pentecost Method – the only approach 100% grounded in scientific research on language learning. The result? You learn faster, remember more, and actually enjoy the learning process.

  • Read without interruption: Translations of the most difficult words are found in the margin of each page – you don't have to break away from the story to look them up in a dictionary.
  • Consolidate what you've read: After each chapter, there are exercises (crosswords, gap-fills, anagrams) adapted to the B1 level – new words stick in your mind.
  • Learn anywhere: A mobile app with games allows you to review vocabulary on your way to work, in line, or whenever you have a moment.
  • Build lasting vocabulary: Flashcards at the end of the book allow you to systematically review the most important words – so you don't forget what you've learned.

Tailored to your exact level

The vocabulary in this book was selected based on an analysis of 2 billion words from authentic texts, precisely matched to the B1 level. You learn exactly the words that are most useful in everyday life.

How to choose the right level?

This book is at the B1 level. Not sure which level to choose? Take our 3-minute placement test on our website – we'll immediately show you which book is right for you.

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Pages290
Chapters12
For learnersfor English-speaking learners
ISBN (Paperback)9788368847765
ISBN (E-Book)9788368847772
Published2026-03-22

About Portuguese (the language of this book)

Where Portuguese is spoken

Portuguese is the official language of Portugal, Brazil, Angola, Mozambique, and several other countries. Brazilian and European Portuguese differ in vocabulary, pronunciation, and some grammar; learners usually choose one variety to focus on.

How many people speak it

Portuguese has roughly 250 million native speakers—most in Brazil—and about 260–280 million users worldwide including Portugal and Lusophone Africa.

Grammar and structure

Portuguese has two genders and a similar Romance inflection system to Spanish, with distinctive nasal vowels and personal infinitives (unique among major Romance languages). Verb paradigms and subjunctive use are central; European and Brazilian norms differ in pronoun placement and second-person forms.

Other top-rated Portuguese B1 graded readers

Ranked by average customer rating and number of reviews on our site. Every title below is a Pentecost graded reader: a simplified story at CEFR level with learning supports built in.

  1. Wiktoriański Londyn skrywa mroczne sekrety. Czy zdołasz rozwikłać je u boku Sherlocka Holmesa? Zanurz się w intrygującą fabułę i bez wysiłku wchłaniaj portugalski, budując słownictwo, które naprawdę zapamiętasz. Słowniczek na marginesie pozwoli Ci czytać bez przerw.

    Side glossary · In-book and online exercises

  2. The clock is ticking. Your fortune, and freedom, depend on a daring dash across continents, but a detective is hot on your heels. Absorb B1 Portuguese naturally as you race with Fogg, building vocabulary that sticks without breaking your reading flow thanks to integrated definitions.

    Side glossary · In-book and online exercises

About the writers and translators

The classic author and the Pentecost editor who adapted this book for learners—each line is a bold name, then a short bio.

  • Arthur Conan Doyle: Arthur Conan Doyle (1859–1930) was a British doctor and writer. He created Sherlock Holmes, the famous detective of Victorian London.

Translators and editors

Our editors adapt vocabulary and notes so the story stays clear at your level. Each line below is a bold name, then a short note.

  • Catherine Thief: Catherine Thief edits English support layers for Portuguese originals, comparing European and Brazilian variants when the source mixes them. She prefers one clear editorial choice per title rather than hedging in every footnote. She reads aloud to catch phrasing that still sounds like translationese.