Complex sentence: On their way back, they are diverted by the magic of Mombi (whom Jinjur recruited to help her apprehend them), joined by the "Highly Magnified and Thoroughly Educated" Woggle-Bug, and aided by the loyal field mice and their Mouse Queen.
Split into simpler sentences: On their way back, they are diverted by the magic of Mombi (whom Jinjur recruited to help her apprehend them). They are joined by the "Highly Magnified and Thoroughly Educated" Woggle-Bug, and aided by the loyal field mice and their Mouse Queen.