This%20guidebook%20reveals%20the%20best%20hiking%20trails%20in%20Washington%20that%20are%20dog%20friendly.%20Throughout%20are%20full-color%20maps%20and%20photos%2C%20helpful%20tips%20and%20sidebars%2C%20and%20tailored%20hike%20specs%20for%20leash%20requirements.%20Also%20included%20is%20information%20about%20dog%20packing%20and%20preparation%20before%20you%20hit%20the%20trail.