While there isn't a single volume with that exact title, the resource you're likely looking for is part of the Schaum's Solved Problems Series
Every problem is accompanied by a complete, step-by-step written solution. The Scope: 3 000 solved problems in differential equations pdf
Where to Find the 3000 Solved Problems in Differential Equations PDF While there isn't a single volume with that
The official publisher provides digital versions of their books. 3 000 solved problems in differential equations pdf