The ISBN of Deep Economy is 9780805076264.
The ISBN of The Deep - novel - is 0007204914.
The ISBN of Flanimals of the Deep is 0571234038.
The ISBN of The Blue Economy is 978-0912111902.
The ISBN of Verdigris Deep is 978-1405055376.
The ISBN of Deep Fathom is 0-380-81880-9.
The ISBN of Deep Fire Rising is 978-0451411181.
The ISBN of Deep Wizardry is 0-15-216257-7.
The ISBN of Impulse economy is 978-1-4516-7186-5.
The ISBN of Deep Storm is 978-038-551-550-4.
The ISBN of From the Place in the Valley Deep in the Forest is 9780802313362.
The ISBN of The Ancient Economy - book - is 0-520-02436-2.
The ISBN of The Green Collar Economy is 978-0-06-165075-8.