Welcome to Our World is a three-level preprimary series in American English. It uses traditional children's songs from around the world to introduce very young learners to the world of English.

音频 CD – 有声书
[作者]	Jill Korey O'Sullivan; Joan Kang Shin
[图书书号/ISBN]	9781285870618
[图书页数]	80
[图书装订]	精装