Bob Books Set 1: Beginning Readers (ISBN 0-439-17545-3) introduces short vowels and three-letter words.
Bob Books Set 2: Advanced Beginners (ISBN 0-439-84502-5) uses three-letter words and vowel sounds in slightly longer stories.
Bob Books Set 3: Word Families (ISBN 0-439-84509-2) includes consonant blends, endings and a few sight words.
Bob Books Set 4: Compound Words (ISBN 0-439-84506-8) includes new word blends, more sight words and longer multi syllable words.
Bob Books Set 5: Long Vowels (ISBN 0-439-86541-7) introduces long vowels and the silent E.
前者是新版的,把 Set 1 分成三本书,配上CD。就是说,Scholastics 可以赚更多的钱。
Bob Books Set 1: Beginning Readers (ISBN 0-439-17545-3) introduces short vowels and three-letter words.
Bob Books Set 2: Advanced Beginners (ISBN 0-439-84502-5) uses three-letter words and vowel sounds in slightly longer stories.
Bob Books Set 3: Word Families (ISBN 0-439-84509-2) includes consonant blends, endings and a few sight words.
Bob Books Set 4: Compound Words (ISBN 0-439-84506-8) includes new word blends, more sight words and longer multi syllable words.
Bob Books Set 5: Long Vowels (ISBN 0-439-86541-7) introduces long vowels and the silent E.
前者是新版的,把 Set 1 分成三本书,配上CD。就是说,Scholastics 可以赚更多的钱。