Description from Google Books:

In a much-anticipated new companion to the beloved and bestselling classic Chicka Chicka Boom Boom, the rollicking alphabet chant gets a holiday twist. A told B, and B told C, “I’ll meet you in the branches of the Christmas tree.” In this holiday alphabet rhyme, the crew of beloved letters gets their chance to shine as decorations on the Christmas tree!

Snippet from Google Books:

A told B, and B told C, "I'll meet you in the branches of the Christmas tree." In this holiday alphabet rhyme, the crew of beloved letters get their chance to shine as decorations on the Christmas tree! (Companion Book).