There are times when size does matter and times when it doesn't. There are even more times when bigger doesn't mean better. Like this still unannounced Lenovo Yoga Book that popped up at Amazon. Sporting a larger, laptop-size 12.2-inch display, this convertible sports many of the features its famed predecessor has but none of its portability. And in some cases, the larger model does even worse than the original Lenovo Yoga Book.