Two Houdini books by Walter Gibson and Morris Young.
Houdini on Magic .,Gibson, Walter B. & Young, Morris N.,1953., USA., 277 pages.,Hard Cover with DJ.
Houdini's Fabulous Magic, Gibson, Water B. Amd Young, Morris N., 1961.,NY., 214 pages, hard cover with DJ.
And as a bonus:
The Secrets of Houdini, Cannell, J.C. 1973., Dover, NY,279 pages., soft cover.
All three ex libris Bruce Cervon and carrying his stamp.