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  • その他
    • Home
    • About Us
    • Our Books / Ordering
    • For Students
    • PeraPera App
    • For Teachers
    • Blog
    • The Team
    • Book Us
  • Home
  • About Us
  • Our Books / Ordering
  • For Students
  • PeraPera App
  • For Teachers
  • Blog
  • The Team
  • Book Us

About Us

Who are we?

Our Products

Who are we?

SielpA Books is dedicated to publishing works primarily focused on language education. All our publications are firmly grounded in educational theory and practice, delivering high-quality content to language learners, educators, and researchers alike.

The People

Our Products

Who are we?

SielpA Books was founded by Adrian Leis in 2024 as a sole proprietorship, before transitioning to a corporate entity in August 2025. Our authors and reviewers bring extensive experience to the field, offering unique perspectives as language learners, researchers, and educators.


Demonstrating our commitment to creativity, the covers of all 

SielpA Books was founded by Adrian Leis in 2024 as a sole proprietorship, before transitioning to a corporate entity in August 2025. Our authors and reviewers bring extensive experience to the field, offering unique perspectives as language learners, researchers, and educators.


Demonstrating our commitment to creativity, the covers of all SielpA Books publications are designed by local artists, reflecting their unique interpretations of each book’s content and focus. All our publications are firmly grounded in educational theory and practice, delivering high-quality content to language learners, teachers, and researchers.

Our Products

Our Products

Our Products

Textbooks published by SielpA Books are dedicated to bringing the highest quality of education to the classroom. To support educators, our titles include comprehensive supplemental materials, such as presentation slides, syllabuses, and quizzes, designed to minimize preparation time. Additionally, we provide online resources for students to further enhance their learning experience.

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