Simplify the following text for a Grade 5 native English-speaking person.
Original: Pro-Mont Blanc ( an international collective of associations for the protection of Mont Blanc ) published in 2002 the book Le versant noir du mont Blanc ( The black hillside of Mont Blanc ) , which exposes current and future problems in conserving the site .
Simplified: Mont Blanc ( Monte Bianco in Italian ) is a mountain in the Alps . Mont Blanc is 4810.90 m on the Italy\/France border .