the key language learning benefits of graded readers

There are some great resources out there to help students on their way:

Jay Doubleyou: graded english readers

With many of these resources also coming with something to listen to:

Jay Doubleyou: english easy readers - audio books

Here's a good introduction:

What are Graded Readers for ESL Students? | Wiki | Twinkl

Here's a further guide from the British Council:

Using Graded Readers | TeachingEnglish | British Council

And here's an excellent overview from the latest EL Gazette:

Some are turning their nose up at graded readers, but teachers Willy Renandya and George Jacobs argue that the books are a valuable tool to improve the reading skill.

As language educators, we constantly seek effective ways to support and enhance our students’ language learning experiences. One powerful yet often neglected strategy is the use of graded readers.

Graded readers are widely acknowledged to be highly beneficial for many areas of language proficiency. They are specially written or revised reading materials tailored for various proficiency levels and designed to meet the varied interests of our students. Students can experience the joy of reading a fiction or non-fiction graded reader on practically any topics that pique their interest at any proficiency level. Graded readers provide beginning students with an excellent bridge to gradually move to reading non-graded, unabridged texts.

Here are some of the key language learning benefits of graded readers:

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Top grades for graded readers! - E L Gazette

With some further academic research here:

The Benefits of Graded Reading - ProQuest [also: (PDF) The Benefits of Graded Reading]

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