To support customers at this time we’re offering free standard delivery on orders with a subtotal over $79. Simply spend $79 or more in one transaction on eligible products and have your order delivered to any address in Australia and New Zealand for free.
For order values under $79, a flat standard delivery fee of $9.99 applies no matter where in Australia or New Zealand.
Eligible products include Books, Audio CDs, Stationery and Diaries available on the Booktopia website, excluding: eBooks, Audiobooks, eTexts, digital subscriptions and gift certificates.
Offer ends 31st December 2025 at 23:59 pm (AEST). Your eligible Standard delivery fee will be automatically waived at checkout for orders over $79.
This offer is subject to change without notice. Booktopia reserves the right to adjust or retract this offer at its discretion. Please visit our terms and conditions for more information.
![Microwave Differential Circuit Design U [With CDROM] : Microwave Engineering - William R. Eisenstadt](https://www.booktopia.com.au/covers/150/9781580539333/0000/microwave-differential-circuit-design-u-with-cdrom-.jpg)
