We have your son and you wont see him again unless you do exactly what we tell you. Detective inspector Dunn listens to the harsh threatening voiceon the phone.

Used availability for Roderic Jeffries's Against Time!

Hardback Editions

June 1964 : USA Hardback

Title: Against Time
Author(s): Roderic Jeffries
ISBN: 0-06-022816-4 / 978-0-06-022816-3 (USA edition)
Publisher: Harpercollins
Availability: Amazon   Amazon UK   Amazon CA   Amazon AU   

Paperback Editions

September 1973 : USA Paperback

Title: Against Time!
Author(s): Roderic Jeffries
ISBN: 0-590-02552-X / 978-0-590-02552-2 (USA edition)
Publisher: Scholastic
Availability: Amazon   Amazon UK   Amazon CA