作者: Lawrence F. Lowery

Originally published in 1989 the purpose of this title was to provide information and ideas for: Staff Developers and Teacher Educators, as they consider program content to prepare teachers to teach …

Originally published in 1989 the purpose of this title was to provide information and ideas for: Staff Developers and Teacher Educators, as they consider program content to prepare teachers to teach …

As he begins to discover the interesting rocks all around him, Spenser has many questions about what he finds. Given the differences in the rocks’ colors, sizes, shapes, and textures, there is much t …