This was Austin Danger Powers.
Written by Andy Lane and published by Boxtree/Universe Publishing, this is an encyclopedic guide to the characters and gadgets of the franchise. austin powers novelisation
"Vanessa," he purred, moving closer. "You’re tense. You need to let your hair down. Maybe slip into something more comfortable, like a sack of potatoes, if you prefer, though I’d rather see you in that tiny little—" This was Austin Danger Powers