Katrin Tiitsman

title	ISBN-13	year of publica- tion	other author(s)
Open Sesame: Low-Beginner - Big Bird's Yellow Book: Activity Book	978-3-464-05520-5	2000	Jane Zion Brauer · Carol Cellman · Maureen Harris · Jill Wagner Schimpff
Open Sesame: Low-Beginner - Big Bird's Yellow Book: Student's Book	978-3-464-05519-9	2000	Jane Zion Brauer · Carol Cellman · Maureen Harris · Jill Wagner Schimpff
Open Sesame: Oscar's Bridge to Reading Book: Activity Book: Oscar's Bridge to Reading Book Stage B	978-0-19-434189-9	1985
Open Sesame: Oscar's Bridge to Reading Book: British English Cassettes : Oscar's Bridge to Reading Book Stage B	978-0-19-434232-2	1986
Open Sesame: Oscar's Bridge to Reading Book: Student's Book: Oscar's Bridge to Reading Book Stage B	978-0-19-434171-4	1985
Open Sesame: Prairie Dawn's Purple Book: Student's Book, Stage D: Prairie Dawn's Purple Book Stage D	978-0-19-434161-5	1986	Jane Zion
Open Sesame: Prairie Dawn's Purple Book: Teacher's Book: Prairie Dawn's Purple Book Stage D	978-0-19-434162-2	1986	"
Open Sesame Supplementary Materials: Picture Cards	978-0-19-434176-9	1984	Oxford University Press · Maureen Harris · Carol Cellman · Jane Zion Brauer · Jill Schimpff
Open Sesame Supplementary Materials: Wallcharts	978-0-19-434257-5	1987	Oxford University Press · Maureen Harris · Carol Cellman · Jane Zion Brauer · Jill Schimpff
Oscar's Bridge to Reading Book, 2 Cassettes	978-3-464-10150-6	1985