Foldable map book

A book structure, comprising

• a front cover;
• a back cover;
• a spine interconnecting said front cover and back cover;
• a binder mounted upon said back cover;
• and
• at least one page divided into at least two panels and be mounted upon said binder to be foldable into said structure between said two covers and unfoldable out from between said two covers in accordion fashion;
• wherein
• said panel contains maps;
• said binder is a spiral binder mounted upon said back cover in recesses provided in said back cover;
• and
• said at least one page comprises at least two first panels coupled together along a first fold line extending in a direction substantially perpendicular to an initial direction of unfolding between said front and back cover and at least two second panels coupled to said two first panels along an edge extending substantially parallel to said initial unfolding direction and, in turn, coupled together along a second fold line extending substantially parallel to said first fold line in unfolded condition;
• such that after said two first panels are unfolded from between said front and back covers, said two second panels are unfolded in a second direction to extend, in completely unfolded condition, substantially perpendicular to said initial direction.