Scott Foresman reading systems
By: Ira E. Aaron and others]
Series: Reading systems
Publisher: Scott, Foresman
Published: 1971
Place of publication: Glenview, Ill
Language: eng
Number of pages: 70
ISBN-13: 9780673045164
Subjects: Reading (Elementary); Readers
Notes: Levels may be issued separately.

Levels 1-12 include individually numbered readers.
Table of contents: title: Level 13. Windows; title: Level 14. Doorways; title: Level 15. Bridges; title: Level 16. Passports; title: Level 17. Excursions; title: Level 18. Discoveries; title: Level 19. Voices; title: Level 20. Endeavors; title: Level 21. Triumphs.