2 x HARDY BOYS: #8 Myst of the Spiral Bridge & #19 Crooked Arrow

2 x HARDY BOYS: #8 Myst of the Spiral Bridge & #19 Crooked Arrow Introduction

Titles: THE MYSTERY OF THE SPIRAL BRIDGE – The Hardy Boys, Book #8 THE SIGN OF THE CROOKED ARROW – The Hardy Boys, Book #19 Written by: Franklin W. Dixon Genre: Children’s / Young Adult - Series - Mystery & Adventure Cover: Softcovers Publisher & Date: Armada Books - (Spiral Bridge) 1974 print - (Crooked Arrow) 1975 print Approximate Dimensions: 4-1/4" x 7” Condition: Good. Both books have readership wear: Creasing to covers, light spot staining to Spiral Bridge. Still good looking books. Please see my list for many more books including more Hardy Boys and other series books.