Open Book Publishers' financial review
Open Book Publishers' Revenue (Yearly)
39K
Employees
17
Open Book Publishers industries
Open Book Publishers' financial review
Open Book Publishers' Revenue (Yearly)
39K
Employees
17
Employee Metrics
Technologies
Open Book Publishers' Competitors
Notable Alumni
Employees
Why our clients choose Apollo
“Apollo completely changed the game for us. It allowed us to identify relevant targets that are ready to scale and reach out to them at the exact right time.”
Head of Product, Kickfurther
“Using Apollo.io, we've solved the biggest problem for every business, the lead problem. We are now constrained by sales time and no longer lack interested prospects.”
CEO, Victorious