About SielpA Practice Tools

SielpA Books

A language education publisher with classroom practice at the center.

SielpA Books publishes language education materials grounded in educational theory, classroom practice, and practical support for learners, teachers, and researchers.

Founded by Adrian Leis in 2024 and incorporated in August 2025, SielpA Books works with authors and reviewers who bring experience as language learners, educators, and researchers. The publisher also commissions local artists for book covers, giving each title a visual identity connected to its content and focus.

Classroom-ready textbooks for language education
Teacher materials such as slides, syllabuses, and quizzes
Student resources that extend learning beyond class

Practice Tool Creators

The app reflects applied language teaching, classroom research, and web-based learning tool development.

Ryan Spring

Professor, Institute for Excellence in Higher Education, Tohoku University

Ryan Spring researches foreign language education and linguistics, with work spanning EFL pronunciation, automatic speech recognition, lexical richness, event conflation, multimedia learning, and project-based language learning. He holds a PhD and MA in Intercultural Language Communication from Tohoku University and a BA from the University of North Carolina at Charlotte.

His publications and awards reflect a long-running focus on connecting language learning theory with tools teachers and students can actually use.

View Ryan Spring's university profile

Kevin Crowley

Lecturer, Center for Language Education, Ritsumeikan Asia Pacific University

Kevin Crowley is an English teacher, business owner, and university lecturer in Japan. His interests include second language learning, cognitive linguistics, and cognitive semiotics, with published work on multiword expressions, language exchange classes, humor in the EFL classroom, schema theory, and second language learning strategies.

He is also the founder of PeraPera (pera-pera.org), a website dedicated to teacher and learner apps and tools for English as a Foreign Language (EFL).

View Kevin Crowley's academic profile

pera-pera.org

Dictogloss in Action Books

A quick guide to the series levels supported by these practice tools.

Bronze

Starter Level

Supports learners moving from CEFR A1 toward A2 with shorter pre-class readings and compact dictogloss tasks.

Reading passages: 150 to 200 words Dictogloss tasks: 45 to 55 words Authors: Adrian Leis and Simon Cooke

Silver

Middle Level

Helps learners transition from CEFR A2 toward B1 with longer readings and a wider range of dictogloss task lengths.

Reading passages: 200 to 250 words Dictogloss tasks: 45 to 95 words Authors: Adrian Leis and Simon Cooke

Gold

Premier Level

Supports learners moving from CEFR B1 toward B2 through more demanding readings and longer dictogloss tasks.

Reading passages: 260 to 350 words Dictogloss tasks: 75 to 125 words Authors: Adrian Leis and Simon Cooke

Across the series, the books include downloadable audio, classroom tasks, pronunciation and rhythm video tutorials, a speaking app, and teacher quizzes. The second editions are available through Mercari, the SielpA Books website, and university bookstores where the textbooks are used.