Uhm. I get Gandalf's plan and what not to bring the dwarves to Beorn. But... I'm a little puzzled about why.
Think you could help? n-n
...In a completely unrelated topic.... Haha. Two cents. I get it.
Well, it was probably so that he wouldn't have altogether unloaded onto beorn the fact that he needed shelter, food, and provisions for a wizard, a hobbit, and 13 dwarves.